Why can't you trust zoo animals to take tests? Because there are too many cheetahs! Discover what to do with a blue triceratops and what happens when a hippo sits on a fence when you join this laugh riot. The popular children's author Seymour Simon asks and answers wacky riddles with an abundance of winsome puns. All jokes are illustrated by fancifully rendered dinosaurs and other animals in full-page, fun-to-color pictures.