All about North American butterflies

"Eat, wrap, change, fly! What insect's life cycle includes all these different stages? It's a butterfly! How do butterflies get their colorful designs? What do caterpillars eat? How do caterpillars become butterflies? Butterflies are beautiful, but they are also important. They help new plants grow. Meet these fascinating fliers that can travel all over the continent in [this book]"--Provided by publisher.