The Journey Begins Join Sid, the sloth, Manny, the woolly mammoth, and Diego, the saber-toothed tiger -- the most unusual herd you've ever seen -- on their hilarious prehistoric road trip. These three unlikely friends overcome their differences and form an unbreakable bond as they travel across a frozen landscape to protect a human baby and return him to his family. This classic storybook, based on the heartwarming film, captures all the excitement and beauty of the digitally animated big-screen adventure in a keepsake format. No fan will want to be without it!