Fly Guy tackles kids' most popular why? questions in a new paper-over-board book filled with full-bleed photographs, easy-to-read text, and humorous comic strips Come along with Fly Guy as he asks (and answers ) over fifty why? questions Why do I have to brush my teeth? Why do cats climb trees if they can't get down? Why do elephants have trunks? And more There are also science projects and fun activities -- so kids can use what they've learned...