Wow, I Didn't Know That! Surprising Facts About Animals : Wow, I Didn't Know That! Animals is the first book in an all new series filled with outrageous and fun facts about children's favorite critters. Readers learn extraordinary things like why goats have rectangular pupils, why gorillas can catch human colds, and how some beetles can carry up to 850 times their own weight! With quick, easy access to a variety of jaw-dropping, bite-sized facts, this book will delight readers again and again.