| Títulos | Ordem |
| 365 More Simple Science Experiments with Everyday Materials por E. Richard Churchill | 1999 |
| The Adventures of Sojourner : The Mission to Mars That Thrilled the World por Susi Trautmann Wunsch | 1999 |
| Africa (Mapping Our World) por Fran Sammis | 1999 |
| Alexander Graham Bell: An Inventive Life por Elizabeth MacLeod | 1999 |
| Alpine Meadow (Webs of Life) por Paul Fleisher | 1999 |
| Amazing Mammals Part I por National Wildlife Federation | 1999 |
| Amazing Mammals Part II por National Wildlife Federation | 1999 |
| American Immigration | 1999 |
| Animal Hide and Seek por Barbara Taylor | 1999 |
| Animal Trackers At the Poles por Tessa Paul | 1999 |
| Animal Trackers Down Under por Tessa Paul | 1999 |
| Animal Trackers In the Jungle por Tessa Paul | 1999 |
| Animal Trackers On Safari por Tessa Paul | 1999 |
| Aquatic Habitats: Exploring Desktop Ponds, Grades 2-6 por Katharine Barrett | 1999 |
| Asia (Mapping Our World, Group 1) por Fran Sammis | 1999 |
| Astronauts Today (Pictureback(R)) por Rosanna Hansen | 1999 |
| Astronauts: Training for Space (Countdown to Space) por Michael D. Cole | 1999 |
| Aztecs (DK Discoveries) por Richard Platt | 1999 |
| Big Head: A Book About Your Brain and Your Head por Peter Rowan | 1999 |
| Biomes of the World (1-9 Volumes Set) por Michael Allaby | 1999 |
| Birds (Outside My Window) por Ernestine Giesecke | 1999 |
| Butterflies (Endangered!) por Jen Green | 1999 |
| Cheetahs (Endangered!) por Shona Grimbly | 1999 |
| Chemistry (Science Projects) por Chris Oxlade | 1999 |
| Chirping Crickets por Melvin Berger | 1999 |
| Classroom Critters and the Scientific Method por Sally Kneidel | 1999 |
| Close Encounters with Deadly Dangers: Riveting Reads and Classroom Ideas por Kendall Haven | 1999 |
| Coasts (Earth Alert!) por John Baines | 1999 |
| Crocodiles & Alligators (Endangered) por John Woodward | 1999 |
| Death (What's Happening?) por Karen Bryant-Mole | 1999 |
| Deer, Moose, Elk and Caribou (Kids Can Press Wildlife Series) por Deborah Hodge | 1999 |
| Desert Life (Look Closer) por Barbara Taylor | 1999 |
| Discovering Deserts por Judy Braus | 1999 |
| DK Children's Illustrated Encyclopedia por DK | 1999 |
| DK Nature Encyclopedia por DK | 1999 |
| Dogs (Single Subject References) por Amanda O'Neill | 1999 |
| The Drop in My Drink: The Story of Water on Our Planet por Meredith Hooper | 1999 |
| Earthquakes por Daniel Rogers | 1999 |
| Enrico Fermi and the Revolutions of Modern Physics por Dan Cooper | 1999 |
| The Environment por Robert Snedden | 1999 |
| Europe and the Middle East (Mapping Our World, Group 1) por Fran Sammis | 1999 |
| Everybody's Somebody's Lunch por Cherie Mason | 1999 |
| Explorers (Women in Profile Series) por Carlotta Hacker | 1999 |
| Exploring the Oceans: Science Activities for Kids por Anthony Fredericks | 1999 |
| Exploring the United States on the Net: Grades 4-6 (Internet Research for Elementary Students) por Adams | 1999 |
| Exploring the World on the Net: Grades 4-6 (Internet Research for Elementary Students) por Adams | 1999 |
| EyeOpeners! All About Animal Vision Edition 1. por Monkia & Hans D. Dossenbach | 1999 |
| Farming (Earth Alert!) por Jane Featherstone | 1999 |
| Flowers (Outside My Window) por Ernestine Giesecke | 1999 |
| Galileo Spacecraft: Mission to Jupiter (Countdown to Space) por Michael D. Cole | 1999 |
| Greetings from Antarctica por Sara Wheeler | 1999 |
| A Home by the Sea: Protecting Coastal Wildlife por Kenneth Mallory | 1999 |
| How Caterpillars Turn Into Butterflies (Nature's Mysteries) por Jill Bailey | 1999 |
| How Insects Work Together (Nature's Mysteries) por Jill Bailey | 1999 |
| How Monkeys "Talk" (Nature's Mysteries) por Martin Banks | 1999 |
| How the Wolf Became the Dog (Before They Were Pets) por John Zeaman | 1999 |
| Hubble Space Telescope: Exploring the Universe (Countdown to Space) por Michael D. Cole | 1999 |
| The Illusion of Orderly Progress por Barbara Norfleet | 1999 |
| In Search of the Maiasaurs (Frozen in Time) por Dorothy Hinshaw Patent | 1999 |
| Incredible Insects por Judy Braus | 1999 |
| Inventive Mind in Science: Creative Thinking Activities por Christine Ebert | 1999 |
| Isaac Asimov: Master of Science Fiction (People to Know) por Karen Judson | 1999 |
| Leaders in Medicine (Women in Profile) por Shaun Hunter | 1999 |
| Life Without Light: A Journey to Earth's Dark Ecosystems (Venture Books Science) por Melissa Stewart | 1999 |
| Living on Mars: Mission to the Red Planet (Countdown to Space) por Michael D. Cole | 1999 |
| Look Who Lives in the Rainforest por Alan Baker | 1999 |
| Mammals (Outside My Window) por Ernestine Giesecke | 1999 |
| Maps and Symbols (Geography Starts Here!) por Angela Royston | 1999 |
| Mars (All Aboard Science Reader) por Patricia Brennan Demuth | 1999 |
| Me and My Place in Space (Dragonfly Books) por Joan Sweeney | 1999 |
| Microscopic Explorations por Susan Brady | 1999 |
| Moon Base: First Colony in Space (Countdown to Space) por Michael D. Cole | 1999 |
| More Pet Bugs: A Kid's Guide to Catching and Keeping Insects and Other Small Creatures por Sally Kneidel | 1999 |
| Mountain Stream (Webs of Life) por Paul Fleisher | 1999 |
| My Indoor Garden por Carol Lerner | 1999 |
| My Mother Talks to Trees por Doris Gove | 1999 |
| My Pet Lizards (All about Pets) por Leeanne Engfer | 1999 |
| Mystery of the Lascaux Cave (Patent, Dorothy Hinshaw. Frozen in Time, Group 1) por Dorothy Hinshaw Patent | 1999 |
| Nature Close-Up - Ants por Elaine Pascoe | 1999 |
| Nature Close-Up - Crickets and Grasshoppers por Elaine Pascoe | 1999 |
| Nature Close-Up - Slime: Molds and Fungi por Elaine Pascoe | 1999 |
| Nature Close-Up - Snails and Slugs por Elaine Pascoe | 1999 |
| A New Duck: My First Look at the Life Cycle of a Bird por Pamela Hickman | 1999 |
| A New Frog: My First Look at the Life Cycle of an Amphibian por Pamela Hickman | 1999 |
| The New Grolier Children's Encyclopedia | 1999 |
| Nobel Prize Winners (Women in Profile Series) por Carlotta Hacker | 1999 |
| North America (Mapping Our World, Group 1) por Fran Sammis | 1999 |
| North American Cranes (Nature Watch) por Lesley A. DuTemple | 1999 |
| Our Stars por Anne Rockwell | 1999 |
| Pollution Problems and Solutions por National Wildlife Federation | 1999 |
| Pond (Webs of Life) por Paul Fleisher | 1999 |
| Pond Life (Look Closer) por Barbara Taylor | 1999 |
| The Prairie (Ecosystems of North America, Group 1) por Alison Ormsby | 1999 |
| Rain Forest (Look Closer) por Barbara Taylor | 1999 |
| A Rain Forest Tree (Small Worlds) por Lorien Kite | 1999 |
| Reader's Digest Children's Atlas of the World por Various | 1999 |
| Reader's Digest Pathfinders: Space por Alan Dyer | 1999 |
| Rivers (Earth Alert) por Shelagh Whiting | 1999 |
| Rivers and Streams (Exploring Ecosystems Series) por Patricia A. Fink Martin | 1999 |
| Rocks and Soil por Robert Snedden | 1999 |
| Salt Marsh (Webs of Life) por Paul Fleisher | 1999 |
| Science & Medicine (Female Firsts in Their Fields) por Gina DeAngelis | 1999 |
| Science Fair Projects for Elementary Schools por Patricia Hachten Wee | 1999 |
| Science Fair Success With Plants por Phyllis J. Perry | 1999 |
| Science Projects About Kitchen Chemistry por Robert Gardner | 1999 |
| Science Projects About Physics in the Home por Robert Gardner | 1999 |
| Scientists (Women in Profile) por Carlotta Hacker | 1999 |
| Scientists of the Ancient World (Collective Biographies) por Margaret J. Anderson | 1999 |
| Secrets of the Ice Man (Frozen in Time, Group 1) por Dorothy Hinshaw Patent | 1999 |
| Shipwreck at the Bottom of the World: The Extraordinary True Story of Shackleton and the Endurance por Jennifer Armstrong | 1999 |
| Small Dogs (Perfect Pets) por Linda Jacobs Altman | 1999 |
| Starting with Nature Bug Book por Pamela Hickman | 1999 |
| Starting with Nature Tree Book por Pamela Hickman | 1999 |
| Stone Wall Secrets por Kristine Thorson | 1999 |
| Stone Wall Secrets: Exploring Geology in the Classroom: Teacher's Guide por Ruth G. Deike | 1999 |
| Student Atlas por DK | 1999 |
| Super Sound (Science Starters) por Wendy Madgwick | 1999 |
| T-Rex to Go: Build Your Own from Chicken Bones; Foolproof Instructions For Budding Paleontologists por Christopher McGowan | 1999 |
| They Swim the Seas: The Mystery of Animal Migration por Seymour Simon | 1999 |
| A Tidal Pool (Small Worlds) por Philip Steele | 1999 |
| Transportation (Ecology Alert!) por Andrew Church | 1999 |
| Trees (Outside My Window) por Ernestine Giesecke | 1999 |
| Trees are Terrific! por National Wildlife Federation | 1999 |
| Turtles (Perfect Pets) por Susan Schafer | 1999 |
| Volcanoes por Daniel Rogers | 1999 |
| Weather (Kingfisher Readers: Level 4) por Chris Oxlade | 1999 |
| Whales (In the Wild) por Claire Robinson | 1999 |
| What Are Food Chains and Webs? por Bobbie Kalman | 1999 |
| What Do We Think About Bullying? (What Do We Think About?) por Jillian Powell | 1999 |
| What Do We Think About Disability? (What Do We Think About?) por Jillian Powell | 1999 |
| What Do We Think About Family Break-up? (What Do We Think About?) por Jillian Powell | 1999 |
| Why the Cat Chose Us (Before They Were Pets) por John Zeaman | 1999 |
| Wildcats of North America - Lynx por Jalma Barrett | 1999 |
| Women in 19th Century America por Fiona Macdonald | 1999 |
| Women in 19th Century Europe por Fiona Macdonald | 1999 |
| Women Scientist Inventors por Jacquelyn A. Greenblatt | 1999 |
| Yikes-Lice! (Concept Books (Albert Whitman)) por Donna Caffey | 1999 |
| Your Environment (Geography Starts Here) por Brenda Williams | 1999 |
| Zebras (Endangered!) por Shona Grimbly | 1999 |
| Animals in Cold Places (Looking at Series (Raintree)) por Moira Butterfield | 2000 |
| Animals in Hot Places Sb (Looking at... (Raintree)) por Moira Butterfield | 2000 |
| Animals in Rivers and Lakes (Looking at... (Raintree)) por Moira Butterfield | 2000 |
| Animals in the Oceans (Looking at... (Raintree)) por Moira Butterfield | 2000 |
| Animals in Trees (Looking at... (Raintree)) por Moira Butterfield | 2000 |
| Animals on Plains and Prairies (Looking at) por Moira Butterfield | 2000 |
| Arctic A to Z por Wayne Lynch | 2000 |
| Benjamin Banneker: American Mathematician and Astronomer (Colonial Leaders) por Bonnie Hinman | 2000 |
| A Book of Flies Real or Otherwise por Richard Michelson | 2000 |
| The Brain Explorer (Exploratorium at Home) por Ellen Klages | 2000 |
| The Chronological Encyclopedia of Discoveries in Space: por Robert Zimmerman | 2000 |
| Clean and Healthy (Heinemann First Library: Safe and Sound) por Angela Royston | 2000 |
| Crabs (Pebble Books: Ocean Life) por Lola M. Schaefer | 2000 |
| Crickwing por Janell Cannon | 2000 |
| Dance of the Continents (The Story of Science) por Roy A. Gallant | 2000 |
| Did You Ever Wonder About Things You Find in the Woods? (Did You Ever Wonder?) por Vera Vullo Capogna | 2000 |
| Did You Ever Wonder About Things You See in the Sky? (Did You Ever Wonder?) por Vera Vullo Capogna | 2000 |
| Dive to the Deep Ocean: Voyages of Exploration and Discovery (Turnstone Ocean Explorer) por Deborah Kovacs | 2000 |
| Down to a Sunless Sea: The Strange World of Hydrothermal Vents (Ocean Explorer Series) por Kate Madin | 2000 |
| Earth's Place in Space (Story of Science) por Roy A. Gallant | 2000 |
| Earthquakes (Restless planet) por Mark A. Maslin | 2000 |
| Eat Well (Heinemann First Library: Safe and Sound) por Angela Royston | 2000 |
| Eugenie Clark: Adventures of a Shark Scientist por Ellen R. Butts | 2000 |
| The Ever-Changing Atom (Story of Science) por Roy A. Gallant | 2000 |
| Exploding Ants por Joanne Settel | 2000 |
| Galileo Galilei (Scientists Who Have Changed the World) por Michael White | 2000 |
| Giants of Science - Isaac Newton por Michael White | 2000 |
| Glaciers (First Books--Earth & Sky Science) por Roy A. Gallant | 2000 |
| A Healthy Body (Heinemann First Library: Safe and Sound) por Angela Royston | 2000 |
| Hearing (Pebble Books: The Senses) por Helen Frost | 2000 |
| It's a Frog's Life: My Story of Life In a Pond por Steve Parker | 2000 |
| Kangaroos (Nature Watch) por Denise Burt | 2000 |
| The Kingfisher First Human Body Encyclopedia por Richard Walker | 2000 |
| Life Connections: Pioneers in Ecology (Lives in Science) por Linda Leuzzi | 2000 |
| Life Cycle of a Mushroom (Heinemann First Library: Life Cycles) por Angela Royston | 2000 |
| Life Cycle of an Oak Tree (Heinemann First Library: Life Cycles) por Angela Royston | 2000 |
| Light & Sound (Science Topics) por Chris Oxlade | 2000 |
| Lions (Nature Watch) por Kathy Darling | 2000 |
| Living with blindness por Patsy Westcott | 2000 |
| Living with cerebral palsy por Paul Pimm | 2000 |
| Living with Leukaemia por Patsy Westcott | 2000 |
| The Makah (Indian Nations Series) por Jeanne M. Oyawin Eder | 2000 |
| Marijuana (Junior Drug Awareness) por Judy L. Hasday | 2000 |
| Meteorite! The Last Days of the Dinosaurs por Richard Norris | 2000 |
| My Nature Journal: A Personal Nature Guide for Young People por Adrienne Olmstead | 2000 |
| The Navajo por Lana T. Griffin | 2000 |
| Octopuses (Pebble Books: Ocean Life) por Lola M. Schaefer | 2000 |
| Parrotfish (Pebble Books: Ocean Life) por Lola M. Schaefer | 2000 |
| Penguins! por Wayne Lynch | 2000 |
| The Peregrine Falcon - Endangered No More (Wildlife Winners) por Mac Priebe | 2000 |
| Roscoe: A North American Moose (Cover-to-Cover Books) por Bonnie Highsmith Taylor | 2000 |
| Roscoe: A North American Moose (Cover-To-Cover Books) por Bonnie Highsmith Taylor | 2000 |
| Safety First (Heinemann First Library: Safe and Sound) por Angela Royston | 2000 |
| Science Fair Projects Investigating Earthworms (Science Fair Success) por Lloyd H. Barrow | 2000 |
| Science Through Childrens Literature: An Integrated Approach por Carol M Butzow | 2000 |
| Scientific Visualization (New Century Technology) por Christpopher Baker | 2000 |
| Sea Anemones (Pebble Books: Ocean Life) por Lola M. Schaefer | 2000 |
| Sea Horses (Pebble Books: Ocean Life) por Lola M. Schaefer | 2000 |
| Sea Lions (Early Bird Nature Books) por Frank J. Staub | 2000 |
| Sea Soup: Phytoplankton por Mary M. Cerullo | 2000 |
| Sea Stars (Pebble Books: Ocean Life) por Lola M. Schaefer | 2000 |
| Sea Urchins (Pebble Books: Ocean Life) por Lola M. Schaefer | 2000 |
| Seeing (Pebble Books: The Senses) por Helen Frost | 2000 |
| Seminoles (Indian Nations Series) por E. Barrie Kavasch | 2000 |
| Shelterwood por Susan Hand Shetterly | 2000 |
| Smelling (Pebble Books: The Senses) por Helen Frost | 2000 |
| Spill the Beans and Pass the Peanuts: Legumes (Plants We Eat) por Meredith Sayles Hughes | 2000 |
| Stars of the Sea (Rookie Read-About Science) por Allan Fowler | 2000 |
| Starting with Nature Bird Book por Pamela Hickman | 2000 |
| Starting with Nature Plant Book por Pamela Hickman | 2000 |
| Storms (Restless Planet) por Mark Maslin | 2000 |
| Tadpoles (Minipets) por Theresa Greenaway | 2000 |
| Tasting (Pebble Books: The Senses) por Helen Frost | 2000 |
| Touching (Pebble Books: The Senses) por Helen Frost | 2000 |
| Under the microscope (Fun to Learn Collection) | 2000 |
| Very First Things to Know About Frogs por Patricia Grossman | 2000 |
| Very First Things to Know About Monkeys (Very First Things to Know About... Series) por Sarah Albee | 2000 |
| A whale's tale from the Supper Sea por C.J. Rea | 2000 |
| What Am I? por Mary Neel Green | 2000 |
| What Is a Marine Mammal? por Bobbie Kalman | 2000 |
| What Is a Whale? por Bobbie Kalman | 2000 |
| When Worlds Collide & After Worlds Collide por Philip Wylie | 2000 |
| World Wildlife Fund, Windows on the Wild: Biodiversity Basics (Complete Set) por World Wildlife Fund | 2000 |
| Yes, We Have Bananas!: Fruits from Shrubs and Vines (Plants We Eat) por Meredith Sayles Hughes | 2000 |
| Your Senses (Pebble Books: The Senses) por Helen Frost | 2000 |
| About Amphibians: A Guide for Children (About...) por Cathryn Sill | 2001 |
| Age of the Dinosaurs (12 Volume Set) por Steve Parker | 2001 |
| Animal Questions and Answers : Bears por Dagmar Fertl | 2001 |
| Animals Nobody Loves por Seymour Simon | 2001 |
| Asteroids, Comets, and Meteors (Planet Library) por Robin Kerrod | 2001 |
| Asthma (Health Watch) por Susan Dudley Gold | 2001 |
| Big Red Tomatoes (National Geographic Windows on Literacy) por Pamela Graham | 2001 |
| Burp!: The Most Interesting Book You'll Ever Read about Eating (Mysterious You) por Diane Swanson | 2001 |
| Caimans Sb-Aotr (Animals of the Rainforest Sb) por Dollar | 2001 |
| Can You Count to a Googol? por Robert E. Wells | 2001 |
| Chickens (True Books: Animals) por Sara Swan Miller | 2001 |
| Chimpanzees (True Books: Animals) por Patricia A. Fink Martin | 2001 |
| Circles (Welcome Books: City Shapes) por Jan Kottke | 2001 |
| Comets and Asteroids por Eva M. Hans | 2001 |
| Comets, Asteroids, and Meteorites (Kaleidoscope: Space) por Roy A. Gallant | 2001 |
| Constellations (Spinning Through Space) por E. M. Hans | 2001 |
| Coral Reefs (First Reports: Biomes) por Susan Heinrichs Gray | 2001 |
| Cows (True Books: Animals) por Sara Swan Miller | 2001 |
| The Dairy Group (Food Guide Pyramid) por Helen Frost | 2001 |
| Deserts (First Reports: Biomes) por Susan H. Gray | 2001 |
| Dolphins (Our Wild World) por Julia Vogel | 2001 |
| Drinking Water (Food Guide Pyramid) por Helen Frost | 2001 |
| Eagles (Kids Can Press Wildlife Series) por Deborah Hodge | 2001 |
| The Earth por Tim Furniss | 2001 |
| Eating Right (Food Guide Pyramid) por Helen Frost | 2001 |
| Exploring Space por Cynthia Pratt Nicolson | 2001 |
| Exploring the Universe: Science Activities for Kids (The Exploring Series, 3) por Anthony Fredericks | 2001 |
| Fats, Oils, and Sweets (Food Guide Pyramid) por Helen Frost | 2001 |
| Feeling Your Way: Disccover Your Sense of Touch por Vicki Cobb | 2001 |
| Flying Things: Simple Experiments in the Science of Flight por Michael Dispezio | 2001 |
| Food Chains (Cycles in Nature) por Theresa Greenaway | 2001 |
| The Frog (Animal Lives) por Sally Tagholm | 2001 |
| A Frog Has a Sticky Tongue (Windows on Literacy) por Pamela Graham | 2001 |
| The Fruit Group (Food Guide Pyramid) por Helen Frost | 2001 |
| The Giant Book Of Space por John Farndon | 2001 |
| Goats (True Books: Animals) por Sara Swan Miller | 2001 |
| Gorillas (True Books: Animals) por Patricia A. Fink Martin | 2001 |
| The Grain Group (Food Guide Pyramid) por Helen Frost | 2001 |
| Hands-On Nature: Information and Activities for Exploring the Environment with Children por Jenepher Lingelbach | 2001 |
| A Hummingbird's Life (Nature Upclose) por John Himmelman | 2001 |
| Hurricanes (Natural Disasters) por Jean Allen | 2001 |
| Inclined Planes (The Bridgestone Science Library: Understanding Simple Machines) por Anne Welsbacher | 2001 |
| Jaguars (Animals of the Rain Forest) por Pat Lalley | 2001 |
| John Muir: My Life With Nature por John Muir | 2001 |
| Jupiter (Planet Library) por Robin Kerrod | 2001 |
| Kids Make a Difference: Kids Care for the Earth por Gare Thompson | 2001 |
| The Kingfisher Illustrated Animal Encyclopedia por David Burnie | 2001 |
| Lemurs, Lorises, and Other Lower Primates (True Books: Animals) por Patricia A. Fink Martin | 2001 |
| Levers (The Bridgestone Science Library: Understanding Simple Machines) por Anne Welsbacher | 2001 |
| Living Things Need Water por Sharon Street | 2001 |
| Make-A-Saurus: My Life with Raptors and Other Dinosaurs por Brian Cooley | 2001 |
| Manatees por Kathy Feeney | 2001 |
| Maps and Plans por Pam Robson | 2001 |
| Mary Anning (On My Own Biography) por Sally M. Walker | 2001 |
| Math Games: For Ages 6-8 (Gifted & Talented) por Vicky Shiotsu | 2001 |
| The Meat and Protein Group (Food Guide Pyramid) por Helen Frost | 2001 |
| Mercury and Venus (Planet Library) por Robin Kerrod | 2001 |
| Monkeys of Asia and Africa (True Books: Animals) por Patricia A. Fink Martin | 2001 |
| Monkeys of Central and South America (True Books: Animals) por Patricia A. Fink Martin | 2001 |
| The Moon por Tim Furniss | 2001 |
| Mountains And Our Moving Earth por Pam Robson | 2001 |
| My Monarch Journal por Connie Muther | 2001 |
| Ocean por Trevor Day | 2001 |
| Oceans (First Reports: Biomes) por Susan H. Gray | 2001 |
| Orangutans (True Books: Animals) por Patricia A. Fink Martin | 2001 |
| Ovals (Welcome Books: City Shapes) por Jennifer S. Burke | 2001 |
| Percents and Ratios (Math Success) por Lucille Caron | 2001 |
| The Peregrine's Journey: A Story of Migration por Madeleine Dunphy | 2001 |
| Pigs (True Books: Animals) por Sara Swan Miller | 2001 |
| Plant Life (Cycles in Nature) por Theresa Greenaway | 2001 |
| Pre-Algebra and Algebra (Math Success) por Lucille Caron | 2001 |
| Pulleys (The Bridgestone Science Library: Understanding Simple Machines) por Anne Welsbacher | 2001 |
| The Rabbit (Animal Lives) por Sally Tagholm | 2001 |
| Rectangles (Welcome Books: City Shapes) por Jennifer S. Burke | 2001 |
| Saturn (Planet Library) por Robin Kerrod | 2001 |
| Science Discoveries on the Net: An Integrated Approach (Teacher Ideas Press) por Anthony D. Fredericks | 2001 |
| Science Experiments With Color (Science Experiments) por Sally Nankivell-Aston | 2001 |
| Science Experiments With Electricity por Sally Nankivell-Aston | 2001 |
| Science Experiments with Forces (Science Experiments (Hardcover Franklin Watts)) por Sally Nankivell-Aston | 2001 |
| Science Experiments with Simple Machines (Science Experiments (Paperback Franklin Watts)) por Sally Nankivell-Aston | 2001 |
| Science Fair Projects por DANA BARRY | 2001 |
| Screws (The Bridgestone Science Library: Understanding Simple Machines) por Anne Welsbacher | 2001 |
| Seasons (Compass Point Books: Simply Science) por Patricia Ryon Quiri | 2001 |
| Sharks (Our Wild World) por Laura Evert | 2001 |
| Sheep (True Books: Animals) por Sara Swan Miller | 2001 |
| Size: Many Ways to Measure (Exploring Math) por Michele Koomen | 2001 |
| Soil (Compass Point Books: Simply Science) por Alice K. Flanagan | 2001 |
| The Solar System por Tim Furniss | 2001 |
| Songbirds: The Language of Song (Nature Watch) por Sylvia A. Johnson | 2001 |
| Space Mysteries por Mike Goldsmith | 2001 |
| Space Travel (Spinning Through Space) por Mike Goldsmith | 2001 |
| Spiny Sea Stars (Pull Ahead Books: Animals) por Christine Zuchora-Walske | 2001 |
| Squares (Welcome Books: City Shapes) por Jennifer S. Burke | 2001 |
| Stars (Kaleidoscope: Space) por Roy A. Gallant | 2001 |
| The Sun por Tim Furniss | 2001 |
| Taking Root (Rookie Read-About Science) por Allan Fowler | 2001 |
| Tornadoes (Natural Disasters) por Jean Allen | 2001 |
| Toucans Sb-Aotr (Animals of the Rainforest Sb) por Sam Dollar | 2001 |
| Triangles (Welcome Books: City Shapes) por Jennifer S. Burke | 2001 |
| Tundra (First Reports: Biomes) por Susan Heinrichs Gray | 2001 |
| Up Close: Feet That Suck and Feed por Diane Swanson | 2001 |
| Up Close: Teeth That Stab and Grind por Diane Swanson | 2001 |
| Uranus, Neptune, and Pluto (Planet Library) por Robin Kerrod | 2001 |
| Volcanoes (Natural Disasters) por Allison Lassieur | 2001 |
| Walking with Bears por Terry DeBruyn | 2001 |
| Wash, Scrub, Brush (Wonderwise) por Mick Manning | 2001 |
| The Water Cycle (Cycles in Nature) por Theresa Greenaway | 2001 |
| Weather (Compass Point Books: Simply Science) por Alice K. Flanagan | 2001 |
| Wedges (The Bridgestone Science Library: Understanding Simple Machines) por Anne Welsbacher | 2001 |
| Wetlands (First Reports: Biomes) por Shirley W. Gray | 2001 |
| Whales por Patricia Corrigan | 2001 |
| What Do You Call a Group Of - Alligators? And Other Reptile and Amphibian Groups por Emma Nathan | 2001 |
| What Do You Call a Group Of - Termite Home? and Other Animal Homes por Emma Nathan | 2001 |
| What Do You Call a Group Of - Turkeys? And Other Bird Groups por Emma Nathan | 2001 |
| What Do You Call a Group of Butterflies? And Other Insect Groups (What Do You Call a Group Of) por Emma Nathan | 2001 |
| What do you call a group of hippos? : And Other Mammal Groups por Emma Nathan | 2001 |
| Wheels and Axles (The Bridgestone Science Library: Understanding Simple Machines) por Anne Welsbacher | 2001 |
| Adding It Up: Get Set for Kindergarten #6 (Wells, Rosemary. Get Set for Kindergarten.) por Rosemary Wells | 2002 |
| Amphibians (True Books: Animals) por Melissa Stewart | 2002 |
| Animals Can Be So Sleepy por Diane Swanson | 2002 |
| Animals Can Be So Speedy por Diane Swanson | 2002 |
| Animals of the Coral Reef (Under the Sea) por Lynn M. Stone | 2002 |
| Asteroids (Galaxy) por Gregory Vogt | 2002 |
| The Atlas of Space (Copper Beech Atlases) por Jack Challoner | 2002 |
| Birds (True Books : Animals) por Melissa Stewart | 2002 |
| Boa Constrictors (Pebble Books: Rain Forest Animals) por Helen Frost | 2002 |
| Bruises (Rookie Read-About Health) por Sharon Gordon | 2002 |
| Bugs Before Time: Prehistoric Insects and Their Relatives por Cathy Camper | 2002 |
| Bugs: A Close-up View of the Insect World (Secret Worlds) por Chris Maynard | 2002 |
| Comets (Galaxy) por Gregory Vogt | 2002 |
| Computers (Technoworld) por Ian Graham | 2002 |
| Cricketology por Michael Elsohn Ross | 2002 |
| Cuts and Scrapes (Rookie Read-About Health) por Sharon Gordon | 2002 |
| Death Valley: A Day in the Desert (A Holiday House Reader, Level 2) por Nancy Smiler Levinson | 2002 |
| Discovering Shapes (Let's Explore) por Henry Arthur Pluckrose | 2002 |
| Ducks Have Duckings (Compass Point Books: Animals and Their Young) por Elizabeth D. Jaffe | 2002 |
| Earthquakes (Natural Disasters (Gareth Stevens)) por Victor Gentle | 2002 |
| Earthworms (Minibeasts) por Claire Llewellyn | 2002 |
| Experiments in Science: How Do Things Grow? por David Glover | 2002 |
| Fishes (True Books: Animals) por Melissa Stewart | 2002 |
| Flight (Science Experiments) por John Farndon | 2002 |
| The Food Chain (Stone, Lynn M. Under the Sea.) por Lynn M. Stone | 2002 |
| Fresh Water (Water Worlds) por Peter Ampt | 2002 |
| Getting Around (Under the Sea) por Lynn M. Stone | 2002 |
| Going Digital (Technoworld) por Ian Graham | 2002 |
| Gorillas (Pebble Books: Rain Forest Animals) por Helen Frost | 2002 |
| Growing Things (Cycles of Life) por Carolyn Scrace | 2002 |
| Hibernation (Cycles of Life) por Carolyn Scrace | 2002 |
| The Horse & the Iron Ball: A Journey Through Time, Space, and Technology por Jerry Allan | 2002 |
| The Human Body (Science Fact Files) por John Farndon | 2002 |
| Hurricanes (Natural Disasters) por Victor Gentle | 2002 |
| Insects (True Books: Animals) por Melissa Stewart | 2002 |
| The Internet (20th Century Inventions) por Robert Snedden | 2002 |
| Jaguars (Pebble Books: Rain Forest Animals) por Helen Frost | 2002 |
| Journey into the Rainforest por Tim Knight | 2002 |
| The Kid's Book of Weather Forecasting: Build a Weather Station, 'Read the Sky' & Make Predictions! (Williamson Kids Can! Series) por Mark Breen | 2002 |
| Life Cycle of a Pumpkin (Heinemann First Library: Life Cycles) por Ron Fridell | 2002 |
| Life Cycle of a Silkworm por Ron Fridell | 2002 |
| Life Cycle of a Spider por Ron Fridell | 2002 |
| Life Cycle of a Turtle (Heinemann First Library) por Ron Fridell | 2002 |
| Life of the Kelp Forest (Under the Sea) por Lynn M. Stone | 2002 |
| Mammals (True Books: Animals) por Melissa Stewart | 2002 |
| Mangroves por Beth Blaxland | 2002 |
| Matter (Super Science Activities) por Ruth Young | 2002 |
| Measuring size por Henry Arthur Pluckrose | 2002 |
| Meteors and Meteorites (Galaxy) por Gregory Vogt | 2002 |
| The Moon-Earth's Companion in Space por Michael D. Cole | 2002 |
| Nature Unfolds The Poles (Nature Unfolds) por Bernard Stonehouse | 2002 |
| Nature Unfolds The Tropical Rainforest (Nature Unfolds) por Gerard Cheshire | 2002 |
| Nibbling on Einstein's Brain: The Good, the Bad and the Bogus in Science por Diane Swanson | 2002 |
| Numbers and Counting (Let's Explore) por Henry Arthur Pluckrose | 2002 |
| Ocean Hunters (Under the Sea) por Lynn M. Stone | 2002 |
| Oxford First Book of Dinosaurs por Barbara Taylor | 2002 |
| Parrots (Pebble Books: Rain Forest Animals) por Helen Frost | 2002 |
| A Polar Bear Biologist at Work (Wildlife Conservation Society Books) por Dorothy Hinshaw Patent | 2002 |
| Pond Life (Cycles of Life) por David Stewart | 2002 |
| Reptiles (True Books: Animals) por Melissa Stewart | 2002 |
| Rolypolyology por Michael Elsohn Ross | 2002 |
| Satellites and Communications (Technoworld) por Ian Graham | 2002 |
| The Seashore (Question Time) por Angela Wilkes | 2002 |
| Seasons (Cycles of Life) por David Stewart | 2002 |
| Shadowy Science GB (No Sweat Projects) por Jess Brallier | 2002 |
| Slugs and Snails (Minibeasts) por Claire Llewellyn | 2002 |
| Sorting and Sets (Let's Explore) por Henry Pluckrose | 2002 |
| Spiders (Minibeasts) por Claire Llewellyn | 2002 |
| Stars (Early Bird Astronomy) por Gregory Vogt | 2002 |
| Sure-to-Win Science Fair Projects por Joe Rhatigan | 2002 |
| Take an Ecowalk 1 Science Concepts (Springboards for Teaching Series) por Sandy Szeto | 2002 |
| Tarantulas (Pebble Books: Rain Forest Animals) por Helen Frost | 2002 |
| They Call Me Woolly - What Animal Names Can Tell Us por Keith DuQuette | 2002 |
| Tree Frogs (Pebble Books: Rain Forest Animals) por Helen Frost | 2002 |
| Under One Rock: Bugs, Slugs, and Other Ughs por Anthony D. Fredericks | 2002 |
| Venus : the second planet por Michael D. Cole | 2002 |
| Volcanoes (Natural Disasters) por Victor Gentle | 2002 |
| Why?: The Best Ever Question and Answer Book about Nature, Science and the World around You por Catherine Ripley | 2002 |
| A Woolly Mammoth Journey por Debbie S. Miller | 2002 |
| 1001 Facts About Sharks (Backpack Books) por Joyce Pope | 2003 |
| 50 Words About ... Plants por David Armentrout | 2003 |
| Acids & Bases (Chemicals in Action) por Chris Oxlade | 2003 |
| Airplane (Machines at Work) por Caroline Bingham | 2003 |
| Albert Einstein: A Life of Genius por Elizabeth MacLeod | 2003 |
| Allergies (Rookie Read-About Health) por Sharon Gordon | 2003 |
| Amazing Arctic Animals (All Aboard Science Reader) por Jackie Glassman | 2003 |
| Animal Life (Fascinating Science Projects) por Sally Hewitt | 2003 |
| Animal Talk (We Can Read About Nature) por Melissa McDaniel | 2003 |
| Ankylosaurus and Other Armored Plant-Eaters (Prehistoric World) (L) por Virginia Schomp | 2003 |
| Antelope (True Books: Animals) por Melissa Stewart | 2003 |
| The Ants (Adventures in Nature and Science) por Edward Shearman Ross | 2003 |
| Ants (Nature's Friends) por Ann Heinrichs | 2003 |
| Apatosaurus and Other Giant Long-Necked Plant-Eaters (Prehistoric World) por Virginia Schomp | 2003 |
| Arctic Frozen Reaches por Wendy Pfeffer | 2003 |
| Are You a Bee? (Backyard Books) por Judy Allen | 2003 |
| Are You a Dragonfly? (Backyard Books) por Judy Allen | 2003 |
| Asthma (Rookie Read-About Health) por Sharon Gordon | 2003 |
| Astronauts at Work (Explore Space!) por Deborah A. Shearer | 2003 |
| Atoms (Chemicals in Action) por Chris Oxlade | 2003 |
| Beans (First Step Nonfiction: Life Cycles) por Melanie Mitchell | 2003 |
| Bees por Mary Ann McDonald | 2003 |
| Bees (Nature's Friends) por Ann Heinrichs | 2003 |
| Beetles por Peter Murray | 2003 |
| Benjamin Banneker (On My Own Biography) por Ginger Wadsworth | 2003 |
| Black Widows (Naturebooks) por Peter Murray | 2003 |
| Body Cycles por Michael Ross | 2003 |
| Bottlenose Dolphins (The Untamed World) por Patricia Miller-Schroeder | 2003 |
| Brain: Inner Workings of the Grey Matter (Secret Worlds) por Richard Walker | 2003 |
| Busy Builders (We Can Read About Nature) por Melissa McDaniel | 2003 |
| Centipedes (Naturebooks) por Patrick Merrick | 2003 |
| Centipedes, Millipedes, and Their Relatives por Beth Blaxland | 2003 |
| Chemistry (Experimenting With Science) por Antonella Meiani | 2003 |
| Chickenpox (Rookie Read-About Health) por Sharon Gordon | 2002, 2003 |
| Chimpanzees (Pebble Books: Rain Forest Animals) por Helen Frost | 2003 |
| Cockroaches (Naturebooks) por Patrick Merrick | 2003 |
| Crabs, Crayfishes, and Their Relatives por Beth Blaxland | 2003 |
| Doves (Birds) por Jill Kalz | 2003 |
| Duckling (Watch Me Grow) por DK | 2003 |
| Eagles (Birds) por Jill Kalz | 2003 |
| Earaches (Rookie Read-About Health) por Sharon Gordon | 2003 |
| Eat Healthy, Feel Great por William Sears | 2003 |
| Electricity (Science Alive!) por Darlene Lauw | 2003 |
| Elements & Compounds (Chemicals in Action) por Chris Oxlade | 2003 |
| Elephants (True Books: Animals) por Melissa Stewart | 2003 |
| Experiments With a Hand Lens (True Books: Science Experiments) por Salvatore Tocci | 2003 |
| Experiments with Rocks and Minerals (True Books: Experiments) por Carol Hand | 2003 |
| Experiments With Water (True Books: Science Experiments) por Salvatore Tocci | 2003 |
| Far-Out Science Projects with Height and Depth: How High is Up? How Low is Down? (Sensational Science Experiments) por Robert Gardner | 2003 |
| Fire Engine (Machines at Work) por Caroline Bingham | 2003 |
| First Science Experiments: Wonderful Weather por Shar Levine | 2003 |
| Flower, Fruits and Seeds (Looking at Plants) por Sally Morgan | 2003 |
| Frog (Watch Me Grow) por Lisa Magloff | 2003 |
| Frogs Sing Songs por Yvonne Winer | 2003 |
| From Caterpillar to Butterfly (How Things Grow) por Sally Morgan | 2003 |
| From Egg to Duck (How Things Grow) por Sally Morgan | 2003 |
| Giant of the Sea: The Story of a Sperm Whale por Courtney Granet Raff | 2003 |
| Giant Pandas (Early Bird Nature Books) por Lynn M. Stone | 2003 |
| Giraffes (Untamed World) por E. Melanie Watt | 2003 |
| Going Places por Catherine Nichols | 2003 |
| Grasshoppers (Nature's Friends) por Ann Heinrichs | 2003 |
| High Mountains (Living on the Edge) por Wendy Pfeffer | 2003 |
| Hippopotamuses (True Books: Animals) por Melissa Stewart | 2003 |
| Hot Deserts (Living on the Edge) por Wendy Pfeffer | 2003 |
| How Do You Raise a Raisin? por Pam Muñoz Ryan | 2003 |
| How Plants Survive (Newbridge Discover Links, Set A) por Kathleen V. Kudlinski | 2003 |
| Hummingbirds (Birds) por Jill Kalz | 2003 |
| Icy Antarctic Waters (Living on the Edge) por Wendy Pfeffer | 2003 |
| If You Had a Tail por Catherine Nichols | 2003 |
| In One Tidepool: Crabs, Snails, and Salty Tails por Anthony D. Fredericks | 2003 |
| Inclined Planes (Simple Machines (Lerner Classroom)) por John Hudson Tiner | 2003 |
| Insects (Super Science Activities) por Ruth Young | 2003 |
| The Internet (Transportation and Communication Series) por Julie Douglas | 2003 |
| Internet: Electronic Global Village (Megatech) por David Jefferis | 2003 |
| Jessica's X-Ray por Pat Zonta | 2003 |
| Kangaroos (Animals on the Brink) por Patricia Miller-Schroeder | 2003 |
| Kingfisher Young Knowledge: Robots por Clive Gifford | 2003 |
| Ladybugs (Nature's Friends) por Ann Heinrichs | 2003 |
| Ladybugs (Naturebooks) por M. C. McBee | 2003 |
| Leaf-Cutting Ants (Pebble Books: Rain Forest Animals) por Helen Frost | 2003 |
| Lemurs (Pebble Books: Rain Forest Animals) por Helen Frost | 2003 |
| Let's Find It!: My First Nature Guide por Katya Arnold | 2003 |
| Levers (Simple Machines (Lerner Classroom)) por John Hudson Tiner | 2003 |
| The Life Cycle of a Frog por Bobbie Kalman | 2003 |
| The Life Cycle of a Sea Turtle por Bobbie Kalman | 2003 |
| Light (Science Alive!) por Darlene Lauw | 2003 |
| Llamas (Early Bird Nature) por Dorothy Hinshaw Patent | 2003 |
| Look Closer: An Introduction to Bug Watching por Gay Holland | 2003 |
| Loons (Birds) por Jill Kalz | 2003 |
| The Man Who Made Time Travel por Kathryn Lasky | 2003 |
| Marsh Morning por Marianne Berkes | 2003 |
| Material Changes and Reactions (Chemicals in Action) por Chris Oxlade | 2003 |
| Metals (Chemicals in Action) por Chris Oxlade | 2003 |
| Millions to Measure por David M. Schwartz | 2003 |
| Mission Control (Explore Space!) por Deborah A. Shearer | 2003 |
| Nature Smart por Gwen Diehn | 2003 |
| The Night Sky (Exploring the Universe - Raintree Steck-Vaughn) por Robin Kerrod | 2003 |
| North Pole South Pole por Nancy Smiler Levinson | 2003 |
| Numbers We Know (Spyglass Books: Math) por Craig Hammersmith | 2003 |
| Octopuses (Early Bird Nature Books) por Leighton R. Taylor | 2003 |
| Octopuses, Squids, and Their Relatives por Beth Blaxland | 2003 |
| Patterns (Spyglass Books: Math) por Craig Hammersmith | 2003 |
| Pinkeye (Rookie Read-About Health) por Sharon Gordon | 2003 |
| Plants and Life (Looking at Plants) por Sally Morgan | 2003 |
| Popular Science Mini Guides: Bugs por Steve Setford | 2003 |
| Potatoes (First Step Nonfiction: Life Cycles) por Melanie Mitchell | 2003 |
| Project Elephant por Susan Ring | 2003 |
| Pulleys (Simple Machines (Lerner Classroom)) por John Hudson Tiner | 2003 |
| Pythons and Boas (Watts Library) por Gloria G. Schlaepfer | 2003 |
| Rachel: The Story of Rachel Carson por Amy Ehrlich | 2003 |
| Rainforests: An Activity Guide for Ages 6–9 por Nancy F. Castaldo | 2003 |
| Rhinoceroses (True Books: Animals) por Melissa Stewart | 2003 |
| Robins (Birds) por Jill Kalz | 2003 |
| Secrets from the Rocks por Albert Marrin | 2003 |
| The Shape of Things (Spyglass Books: Math) por Janine Scott | 2003 |
| The Solar System (Let's Investigate Science) por Robin Kerrod | 2003 |
| Space Experiments (True Books: Science Experiments) por Salvatore Tocci | 2003 |
| Space Suits (Explore Space) por Shearer | 2003 |
| Split-Second Science Projects with Speed: How Fast Does It Go? (Sensational Science Experiments) por Robert Gardner | 2003 |
| Stars and Galxies (Looking at Stars) por Robin Kerrod | 2003 |
| States of Matter (Chemicals in Action) por Chris Oxlade | 2003 |
| Sunburn (Rookie Read-About Health) por Sharon Gordon | 2002, 2003 |
| Take a Guess: A Look at Estimation (Spyglass Books: Math) por Janine Scott | 2003 |
| Tarantulas por Peter Murray | 2003 |
| Tigers por Mélanie Watt | 2003 |
| Tigers (Pebble Books: Rain Forest Animals) por Helen Frost | 2003 |
| Time to Tell Time (Spyglass Books: Math) por Janine Scott | 2003 |
| Time-Life Understanding Science and Nature: Human Body por Time-Life Books | 1999, 2003 |
| Triceratops and Other Horned Plant-Eaters: And Other Horned Plant-Eaters (Dinosaurs) por Virginia Schomp | 2003 |
| Tulips (First Step Nonfiction: Life Cycles) por Melanie Mitchell | 2003 |
| Tyrannosaurus and Other Giant Meat-Eaters (Prehistoric World) por Virginia Schomp | 2003 |
| Under the Ice: A Marine Biologist at Work por Kathy Conlan | 2003 |
| Velociraptor and Other Small, Speedy, Meat-Eaters (Dinosaurs) por Virginia Schomp | 2003 |
| Walking on the Moon (Masterpieces: Artists and Their Works) por Deborah A. Shearer | 2003 |
| What Is A Shadow? Pb (How? What? Why?) por Jackie Holderness | 2003 |
| What Makes It Swing? (How? What? Why?) por Jim Pipe | 2003 |
| Wheels and Axles (Simple Machines (Lerner Classroom)) por John Hudson Tiner | 2003 |
| Why Does A Battery Make It Go? (How? What? Why?) por Jackie Holderness | 2003 |
| Why Does Ice Melt? por Jim Pipe | 2003 |
| Why We Measure (Spyglass Books: Math) por Janine Scott | 2003 |
| Woodpeckers (Birds) por Jill Kalz | 2003 |
| Your Bones (The Bridgestone Science Library: Your Body) por Terri DeGezelle | 2002, 2003 |
| Your Brain (The Bridgestone Science Library: Your Body) por Terri DeGezelle | 2002, 2003 |
| Your Heart (The Bridgestone Science Library: Your Body) por Terri DeGezelle | 2002, 2003 |
| Your Muscles (The Bridgestone Science Library: Your Body) por Anne Ylvisaker | 2002, 2003 |
| Your Stomach (The Bridgestone Science Library: Your Body) por Anne Ylvisaker | 2002, 2003 |
| Zap! Blink! Taste! Think!: Exciting Life Science for Curious Minds por Janet Parks Chahrour | 2003 |
| Zebras (New True Books: Animals) por Emilie U. Lepthien | 2003 |
| Achoo: The Most Interesting Book You'll Ever Read About Germs (Mysterious You) por Trudee Romanek | 2004 |
| Adelina's Whales por Richard Sobol | 2004 |
| The Airplane (Fact Finders: Great Inventions) por Julie L. Sinclair | 2004 |
| Airplanes (Let's Investigate: Transportation) por John Hudson Tiner | 2004 |
| Algebraic reasoning : Professor Arbegla introduces variables and functions : GEMS teacher's guide for grades 3-5 por Jaine Kopp | 2004 |
| The Amazing Octopus (The Living Ocean) por Bobbie Kalman | 2004 |
| Amazing Things Animals Do por Marilyn Baillie | 2004 |
| Amoeba Hop por Christine Lavin | 2004 |
| Animal Groups: How Animals Live Together (Animal Behavior) por Etta Kaner | 2004 |
| Animals Building Homes (First Facts: Animal Behavior) por Wendy Perkins | 2004 |
| Animals Finding Food (First Facts: Animal Behavior) por Wendy Perkins | 2004 |
| Animals Raising Offspring (First Facts: Animal Behavior) por Wendy Perkins | 2004 |
| Animals Sleeping (First Facts: Animal Behavior) por Wendy Perkins | 2004 |
| Are We Alone? Scientists Search for Life in Space por Gloria Skurzynski | 2004 |
| Artificial Intelligence (Tomorrow's Science) por Anne Rooney | 2004 |
| The Automobile (Fact Finders: Great Inventions) por Julie L. Sinclair | 2004 |
| Bats (Kids Can Press Wildlife Series) por Adrienne Mason | 2004 |
| The Beetle Alphabet Book por Jerry Pallotta | 2004 |
| Birds and Their Nests (Pebble Plus: Animal Homes) por Linda Tagliaferro | 2004 |
| The Brain (Human Body Systems) por Anne Fitzpatrick | 2004 |
| Cars (Let's Investigate. Transportation) por John Hudson Tiner | 2004 |
| Deserts: An Activity Guide for Ages 6-9 por Nancy F. Castaldo | 2004 |
| Down to Earth (Investigate Science) por Melissa Stewart | 2004 |
| A Drop of Blood por Paul Showers | 2004 |
| Early Adventures in Algebra: Featuring Zero the Hero (Gems Guides. Teacher's Guides) por Jaine Kopp | 2004 |
| Endangered Monk Seals (Earth's Endangered Animals) por Bobbie Kalman | 2004 |
| Endangered Rhinoceros por Bobbie Kalman | 2004 |
| Endangered Sea Turtles por Bobbie Kalman | 2004 |
| Endangered Tigers por Bobbie Kalman | 2004 |
| Fireflies (Nature's Friends) por Ann Heinrichs | 2004 |
| The Flower Hunter: William Bartram, America's First Naturalist por Deborah Kogan Ray | 2004 |
| The Forested Taiga: A Web of Life (World of Biomes) por Philip Johansson | 2004 |
| The Frozen Tundra: A Web of Life (World of Biomes) por Philip Johansson | 2004 |
| Global Warming (Our Environment) por Peggy J. Parks | 2004 |
| Grizzly Bear Family por Audrey Fraggalosch | 2004 |
| Guess Who Changes (Bookworms: Guess Who) por Sharon Gordon | 2004 |
| Guess Who Dives (Bookworms: Guess Who) por Sharon Gordon | 2004 |
| Guess Who Grabs (Gordon, Sharon. Bookworms.) por Sharon Gordon | 2004 |
| Guess Who Hides (Bookworms: Guess Who) por Sharon Gordon | 2004 |
| Guess Who Roars (Bookworms: Guess Who) por Sharon Gordon | 2004 |
| Guess Who Swoops (Bookworms: Guess Who) por Sharon Gordon | 2004 |
| Hurricanes por Seymour Simon | 2004 |
| The Internet (The KidHaven Science Library) por Peggy J. Parks | 2004 |
| A Journey into a Lake por Rebecca L. Johnson | 2004 |
| A Journey into a Wetland por Rebecca L. Johnson | 2004 |
| Killer Rocks from Outer Space: Asteroids, Comets, and Meteors por Steven N. Koppes | 2004 |
| The Kingfisher Illustrated Nature Encyclopedia por David Burnie | 2004 |
| Less Than Zero por Stuart J. Murphy | 2004 |
| The Life Cycle of a Beetle por Molly Aloian | 2004 |
| The Life Cycle of a Honeybee por Bobbie Kalman | 2004 |
| The Life Cycle of a Mosquito por Bobbie Kalman | 2004 |
| The Light Bulb (Fact Finders: Great Inventions) por Marc Tyler Nobleman | 2004 |
| Linus Pauling: Advancing Science, Advocating Peace (Outstanding Science Trade Books for Students K-12 (Awards)) por Naomi Pasachoff | 2004 |
| The Living Rain Forest: An Animal Alphabet por Paul Kratter | 2004 |
| Looking Through a Microscope (Rookie Read-About Science: Science Equipment) por Linda Bullock | 2004 |
| Looking Through a Telescope (Rookie Read-About Science: Space Science) por Linda Bullock | 2004 |
| Monster Bones: The Story of a Dinosaur Fossil (Science Works) por Jacqui Bailey | 2004 |
| The Muscles (Appleseeds: The Human Body) por Anne Fitzpatrick | 2004 |
| My Very First Encylopedia with Winnie the Pooh and Friends: Nature por Disney Book Group | 2004 |
| Night Sky Atlas (DK) por Robin Scagell | 2004 |
| The Ocean Biome (The Living Ocean) por Kathryn Smithyman | 2004 |
| One Small Place by the Sea por Barbara Brenner | 2004 |
| Out and About at the Planetarium (Field Trips) por Theresa Jarosz Alberti | 2004 |
| Poisonous Bugs (Bug Zone) por Barbara Taylor | 2004 |
| The Radio (Fact Finders: Great Inventions) por Gayle Worland | 2004 |
| The Sea (Starters) por Claire Llewellyn | 2004 |
| Solar Power (True Books: Environment) por Christine Petersen | 2004 |
| Spiders por Seymour Simon | 2004 |
| Spiders (Nature's Friends) por Ann Heinrichs | 2004 |
| The Temperate Forest: A Web of Life (World of Biomes) por Philip Johansson | 2004 |
| The Tree of Life: Charles Darwin por Peter Sís | 2004 |
| The Tropical Rain Forest: A Web of Life (World of Biomes) por Philip Johansson | 2004 |
| Turn it Loose: The Scientist in Absolutely Everybody por Diane Swanson | 2004 |
| Water Power (True Books: Environment) por Christine Petersen | 2004 |
| What Is a Thermometer? (Rookie Read-About Science) por Lisa Trumbauer | 2004 |
| What Makes the Seasons? por Megan Montague Cash | 2004 |
| What's Your Angle, Pythagoras? A Math Adventure por Julie Ellis | 2004 |
| Wind Power (True Books: Environment) por Christine Petersen | 2004 |
| Worms (Nature's Friends) por Ann Heinrichs | 2004 |
| You Can Use a Magnifying Glass (Rookie Read-About Science) por Wiley Blevins | 2004 |
| Zoo Album por Richard Morecroft | 2004 |
| About Mollusks: A Guide For Children (About...) por Cathryn Sill | 2005 |
| Air Is Everywhere (Science 2006) por Megan McDonald | 2005 |
| I Am a Dolphin: The Life of a Bottlenose Dolphin (I Live in the Ocean) por Darlene R. Stille | 2005 |
| I Am a Fish: The Life of a Clown Fish (I Live in the Ocean) por Darlene R. Stille | 2005 |
| I Am a Sea Turtle: The Life of a Green Sea Turtle (I Live in the Ocean) por Darlene R. Stille | 2005 |
| I Am a Seal: The Life of an Elephant Seal (I Live in the Ocean) por Darlene R. Stille | 2005 |
| I Am a Shark: The Life of a Hammerhead Shark (I Live in the Ocean) por Darlene R. Stille | 2005 |
| I Am a Whale: The Life of a Humpback Whale (I Live in the Ocean) por Darlene R. Stille | 2005 |
| Amazing Whales! (I Can Read Book 2) por Sarah L. Thomson | 2005 |
| Amazing You!: Getting Smart About Your Private Parts por Gail Saltz | 2005 |
| Amphibians (Animal Kingdom) por Sally Morgan | 2005 |
| Animal Architects por John Nicholson | 2005 |
| Animals Called Fish (What Kind of Animal Is It?) por Kristina Lundblad | 2005 |
| Animals Called Mammals (What Kind of Animal Is It?) por Bobbie Kalman | 2005 |
| Animals Migrating: How, When, Where and Why Animals Migrate (Animal Behavior) por Etta Kaner | 2005 |
| Ant (Creepy Crawly World) por Ting Morris | 2005 |
| Ants (Bridgestone Books: World of Insects) por Deirdre A. Prischmann | 2005 |
| Arthropods (Animal Kingdom) por Ruth Miller | 2005 |
| Backyard Science por Shar Levine | 2005 |
| Badgers And Other Mustelids (World Book's Animals of the World) por Lisa Klobuchar | 2005 |
| Bean (Read and Learn: Life Cycles) por Louise Spilsbury | 2005 |
| Bears (Animal Lives) por Sally Morgan | 2005 |
| The Bee: Friend of the Flowers (Animal Close-Ups) por Paul Starosta | 2005 |
| Beetles (World of Insects) por Deirdre A. Prischmann | 2005 |
| Birds of All Kinds (What Kind of Animal Is It?) por Rebecca Sjonger | 2005 |
| Black Holes (Our Solar System) por Dana Meachen Rau | 2005 |
| Boa Constrictors (Bridgestone Books: World of Reptiles) por Matt Doeden | 2005 |
| Bobcats (True Books: Animals) por Ann O. Squire | 2005 |
| The Bumblebee Queen por April Pulley Sayre | 2005 |
| Bumblebees (Early Bird Nature Books) por Sara Van Dyck | 2005 |
| Butterfly (Creepy Crawly World) por Ting Morris | 2005 |
| Calcium (True Books: Elements) por Salvatore Tocci | 2005 |
| Carbon (True Books: Elements) por Salvatore Tocci | 2005 |
| Cats por Seymour Simon | 2005 |
| Charged Up: The Story of Electricity (Science Works) por Jacqui Bailey | 2005 |
| Constellations (Our Solar System) por Dana Meachen Rau | 2005 |
| Copperheads (Bridgestone Books: World of Reptiles) por Matt Doeden | 2005 |
| Corals (Pebble Plus: Under the Sea) por Carol K. Lindeen | 2005 |
| Cottonmouths (Bridgestone Books: World of Reptiles) por Matt Doeden | 2005 |
| Creatures of the Sea - The Walrus por Deborah Blum | 2005 |
| Desert Food Chains por Bobbie Kalman | 2005 |
| DK Guide to Birds (DK Guides) por Ben Morgan | 2005 |
| Dolphins (Creatures of the Sea) por Kris Hirschmann | 2005 |
| The Dry Desert: A Web of Life (A World of Biomes) por Philip Johansson | 2005 |
| Early Civilizations (Crafty Inventions) por Gerry Bailey | 2005 |
| Earth (The Solar System) por Stephen Feinstein | 2005 |
| Eye Guess: A Foldout Guessing Game por Phyllis Limbacher Tildes | 2005 |
| Fact Factory (QED Learn ICT) por Anne Rooney | 2005 |
| The Facts about Habitats (Science the Facts) por Rebecca Hunter | 2005 |
| I Fall Down por Vicki Cobb | 2005 |
| Fireflies (World of Insects) por Connie Colwell Miller | 2005 |
| First Thousand Years (Crafty Inventions) por Gerry Bailey | 2005 |
| Fish (Animal Kingdom) por Sally Morgan | 2005 |
| Food Chains and You por Bobbie Kalman | 2005 |
| Forest Food Chains por Bobbie Kalman | 2005 |
| From Little Acorns: A First Look at the Life Cycle of a Tree (First Look: Science) por Sam Godwin | 2005 |
| Garter Snakes (Bridgestone Books: World of Reptiles) por Matt Doeden | 2005 |
| Grasshoppers (World of Insects) por Connie Colwell Miller | 2005 |
| Guess Who Bites (Bookworms: Guess Who) por Sharon Gordon | 2005 |
| Guess Who Hisses (Bookworms: Guess Who) por Sharon Gordon | 2005 |
| Guess Who Hops (Bookworms: Guess Who) por Sharon Gordon | 2005 |
| Guess Who Runs (Bookworms: Guess Who) por Sharon Gordon | 2005 |
| Guess Who Snaps (Bookworms: Guess Who) por Sharon Gordon | 2005 |
| Guess Who Spins (Bookworms: Guess Who) por Sharon Gordon | 2005 |
| Guts: Our Digestive System por Seymour Simon | 2005 |
| Hydro's Adventure Through the Water Cycle por Randi S. Goodrich | 2005 |
| Hydrogen and the Noble Gases (True Books: Elements) por Salvatore Tocci | 2005 |
| The International Space Station (Our Solar System) por Dana Meachen Rau | 2005 |
| Jaguars (True Books: Animals) por Ann O. Squire | 2005 |
| Jump Into Science: Moon por Steve Tomecek | 2005 |
| Leopards (True Books: Animals) por Ann O. Squire | 2005 |
| Lions (True Books: Animals) por Ann O. Squire | 2005 |
| Long Long Ago (Crafty Inventions) por Gerry Bailey | 2005 |
| Lots of Ladybugs!: Counting by Fives (Know Your Numbers) por Michael Dahl | 2005 |
| The M&M's Subtraction Book por Barbara Barbieri McGrath | 2005 |
| Mammals (DK Guides) por Ben Morgan | 2005 |
| Meadow Food Chains por Bobbie Kalman | 2005 |
| Meet the woolly mammoth por Sophie Philippo | 2005 |
| Mercury (The Solar System) por Kim A. O'Connell | 2005 |
| Microlife That Helps Us (Raintree Perspectives: The Amazing World of Microlife) por Steve Parker | 2005 |
| Microlife that Lives in Soil (Raintree Perspectives: The Amazing World of Microlife) por Steve Parker | 2005 |
| Microlife That Makes Us Ill (Raintree Perspectives: The Amazing World of Microlife) por Steve Parker | 2005 |
| Microlife That Rots Things (Raintree Perspectives: The Amazing World of Microlife) por Steve Parker | 2005 |
| Midnight Forests: A Story Of Gifford Pinchot And Our National Forests por Gary Hines | 2005 |
| The Milky Way And Other Galaxies (Our Solar System) por Dana Meachen Rau | 2005 |
| Mollusks (Animal Kingdom) por Ruth Miller | 2005 |
| Mosquito Bite por Alexandra Siy | 2005 |
| Mosquitoes (Bridgestone Books: World of Insects) por Connie Colwell Miller | 2005 |
| A Mother's Journey por Sandra Markle | 2005 |
| Mountain Explorer (Raintree Perspectives: Habitat Explorer) por Greg Pyers | 2005 |
| Mountains (Habitats) por Robert Snedden | 2005 |
| My Bones and Muscles (Bookworms: What's Inside Me?) por Dana Meachen Rau | 2005 |
| My Brain (Bookworms: What's Inside Me?) por Dana Meachen Rau | 2005 |
| My Heart and Blood (Bookworms: What's Inside Me?) por Dana Meachen Rau | 2005 |
| My Lungs (Bookworms: What's Inside Me?) por Dana Meachen Rau | 2005 |
| My Mom's Having a Baby!: A Kid's Month-by-Month Guide to Pregnancy (Concept Book) por Dori Hillestad Butler | 2005 |
| My Skin (Bookworms: What's Inside Me?) por Dana Meachen Rau | 2005 |
| My Stomach (Bookworms: What's Inside Me?) por Dana Meachen Rau | 2005 |
| Nature Close-Up Juniors - Soil por Elaine Pascoe | 2005 |
| Near One Cattail: Turtles, Logs And Leaping Frogs por Anthony D. Fredericks | 2005 |
| Nitrogen (True Books: Elements) por Salvatore Tocci | 2005 |
| Ocean Explorer (Raintree Perspectives: Habitat Explorer) por Greg Pyers | 2005 |
| Octopuses (Pebble Plus: Under the Sea) por Carol K. Lindeen | 2005 |
| Oxygen (True Books: Elements) por Salvatore Tocci | 2005 |
| Paint a Sun in the Sky (First Look: Science) por Claire Llewellyn | 2005 |
| The Periodic Table (True Books: Elements) por Salvatore Tocci | 2005 |
| Picture-Perfect Science Lessons: Using Children's Books To Guide Inquiry; Grades 3-6 (PB186X) por Karen Rohrich Ansberry | 2005 |
| Pie for Piglets: Counting by Twos (Know Your Numbers) por Michael Dahl | 2005 |
| A Platypus, Probably por Sneed B. Collard | 2005 |
| Pluto: A MyReportLinks.com Book (The Solar System) por Kim A. O'Connell | 2005 |
| Polly's Pen Pal (MathStart 3) por Stuart J. Murphy | 2005 |
| Prairie Explorer (Raintree Perspectives: Habitat Explorer) por Mary Quigley | 2005 |
| Pythons (Bridgestone Books: World of Reptiles) por Matt Doeden | 2005 |
| Rain Forest Explorer (Raintree Perspectives: Habitat Explorer) por Greg Pyers | 2005 |
| Rattlesnakes (Bridgestone Books: World of Reptiles) por Matt Doeden | 2005 |
| Reaching for the Moon por Buzz Aldrin | 2005 |
| Reptiles (Animal Kingdom) por Ruth Miller | 2005 |
| Reptiles of All Kinds (What Kind of Animal Is It?) por Kelley Macaulay | 2005 |
| Saturn: A MyReportLinks.com Book (The Solar System) por Stephen Feinstein | 2005 |
| Sea Horses (Pebble Plus: Under the Sea) por Carol K. Lindeen | 2005 |
| Snakes! (Strange and Wonderful) por Laurence Pringle | 2005 |
| Solids, Liquids, and Gases (Rookie Read-About Science: Physical Science) por Ginger Garrett | 2005 |
| Sources of Water (First Facts: Water All Around) por Rebecca Olien | 2005 |
| Space Walks (Our Solar System) por Dana Meachen Rau | 2005 |
| Sponges and Other Minor Phyla (Animal Kingdom) por Sally Morgan | 2005 |
| Squid (Creatures of the Sea) por Kris Hirschmann | 2005 |
| Sun Up, Sun Down: The Story of Day and Night (Science Works) por Jacqui Bailey | 2005 |
| Sunny Days & Starry Nights: A Little Hands Nature Book (A Williamson Little Hands Book ; 1) por Nancy Fusco Castaldo | 2005 |
| Supercroc Found (On My Own Science) por Sally M. Walker | 2005 |
| Take Control (Qeb Learn Computing) por Anne Rooney | 2005 |
| The Tarantula Scientist por Sy Montgomery | 2005 |
| Tigers (True Books: Animals) por Ann O. Squire | 2005 |
| Time For Kids: Sharks! por Editors of TIME for Kids | 2005 |
| Tropical Rainforests (Habitats) por Robert Snedden | 2005 |
| Turtle Tide: The Ways of Sea Turtles por Stephen R. Swinburne | 2005 |
| Using Levers (Raintree Perspectives: Machines Inside Machines) por Wendy Sadler | 2005 |
| Using Pulleys and Gers (Raintree Perspectives: Machines Inside Machines) por Wendy Sadler | 2005 |
| Using Ramps and Wedges (Raintree Perspectives: Machines Inside Machines) por Wendy Sadler | 2005 |
| Using Screws (Machines Inside Machines) por Wendy Sadler | 2005 |
| Using Springs (Raintree Perspectives: Machines Inside Machines) por Greg Pyers | 2005 |
| Using Wheels and Axles (Machines Inside Machines) por Greg Pyers | 2005 |
| Venus: A MyReportLinks.com Book (The Solar System) por Stephen Feinstein | 2005 |
| W is for Wind: A Weather Alphabet por Pat Michaels | 2005 |
| Water And The Weather (First Facts: Water All Around) por Rebecca Olien | 2005 |
| The Water Cycle (First Facts: Water All Around) por Rebecca Olien | 2005 |
| Weather ABC: An Alphabet Book (A+ Books: Alphabet Books) por Blake A. Hoena | 2005 |
| Wetlands Explorer (Raintree Perspectives: Habitat Explorer) por Mary Quigley | 2005 |
| What Are Atoms? (Rookie Read-About Science: Physical Science) por Lisa Trumbauer | 2005 |
| What Is an Amphibian? por Bobbie Kalman | 2005 |
| What Is Mass? (Rookie Read-About Science: Physical Science) por Don L. Curry | 2005 |
| What Is Water? (First Facts: Water All Around) por Rebecca Olien | 2005 |
| The Wide Open Grasslands: A Web of Life (World of Biomes) por Philip Johansson | 2005 |
| Wild About Weather: 50 Wet, Windy & Wonderful Activities por Edward Brotak | 2005 |
| World Book's Science and Nature Guides (World Book Encyclopedia Science Nature Guides) | 2005 |
| The World That We Want por Kim Michelle Toft | 2005 |
| Wow!: The Most Interesting Book You'll Ever Read about the Five Senses (Mysterious You) por Trudee Romanek | 2005 |
| Z is for Zookeeper: A Zoo Alphabet por Marie Smith | 2005 |
