Not since the Rubik's Cube has a puzzle been this hot. . . . It can lower your blood pressure, relieve stress-even make you smarter. It might just be the least-harmful addiction around." -Newsweek * The nation's newspaper offers puzzlers the ultimate Sudoku compilation, featuring 200 puzzles for five different skill levels. The first newspaper in the United States to publish addictive Sudoku puzzles, USA TODAY continues to satisfy puzzle lovers with this second Sudoku book collection, USA Today Everyday Sudoku: 200 Puzzles from The Nation's No. 1 Newspaper. * Features include an introductory how-to section followed by two hundred 9 x 9 Sudoku puzzles targeting five different levels of difficulty. A comprehensive answer key completes the collection.