Doodle the dinosaurs back from extinction with our newest book in a series that's sold more than 400,000 copies. Dinosaurs roamed the earth 100 million years ago . . . and now kids can bring them back to life with page after page of fun and fascinating prompts. Doodle some sharp teeth on a Tyrannosaurus, a long neck on a Brachiosaurus, armored plates on a Stegosaurus--or have some dino-mite fun with the idea that dinosaurs still exist