Jack Hanna's Big Book of How presents kids ages 8 to 12 with answers to the kinds of interesting questions that appeal to their natural sense of curiosity. Want to know how chameleons are able to change colors? Or how parrots talk? Or how cheetahs run so fast? The answers to these questions and hundreds more are provided inside with the help of Jack Hanna, wildlife expert and Director Emeritus of the Columbus Zoo. Colorful graphics, fascinating facts and stunning full-color photos fill the book from cover to cover, ensuring young readers stay captivated for hours at a time. Also includes quizzes and word scrambles designed to test their soon-to-be expert knowledge!