Before babies learn to walk on two legs they begin by crawling on all fours. Children who are unable to walk without aid use crutches or move around in a wheelchair. Some people, when they grow old, use a cane to help them walk -which is a little like walking on three legs. Many animals walk on four legs, insects walk on six legs, and spiders walk on eight legs. Some animals and insects fly -like birds, ladybugs, and butterflies. Turn the pages of this book and discover how different animals move from place to place.