Big Book of Why: Revised and Updated (a Time for Kids Book) (Second Edition,2nd Second Edition, Revised)Hardcover - Second Edition,2nd Second Edition, Revised, 10 May 2016

Why do we have eyebrows? Why are dogs' noses wet? Why does Earth have a moon? Why are some people color blind?

The best-selling book in TIME For Kids' Big Book of Questions series is newly revised with updated information, photos, illustrations, and graphics to answer over 250 intriguing questions in popular subject areas: Animals, Space, History, Science, Technology, Sports and more. Presented in an easy-to-follow format, this fun, must-have reference book will appeal to a young child's sense of curiosity. Kids can dive into the book at any point and learn over 1,001 amazing facts to impress their parents, teachers, and friends with their new found knowledge.