Why Do Snakes Hiss Author:Joan Jolub Do you like snakes, lizards, or turtles? — If you do, you're not alone! There's so much to find out about all of these scaly-skinned animals. Are all snakes poisonous? Why do snakes shed their skin? What unusual things can lizards do? Do lizards ever lose their tails? Why do turtles have shells? Find the answers - and much more - in this f... more »un, fact-filled introduction to reptiles.« less