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!