Come along with Fly Guy as he asks (and answers!) over 100 "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 in a hands-on way! With engaging full-color photographs on every page, content appropriate for a young audience, humorous artwork, and colorful comic strips starring their favorite character Fly Guy, this book is perfect for kids in Pre-K and Kindergarten!