"With warm and heart-fluttering illustrations, discover the next nonfiction picture book about butterflies and moths from the creator of the New York Times bestseller Women in Science!"-- Provided by publisher.

A class observes the various stages caterpillars go through to become butterflies.

"This guide to the majestic butterfly walks you through its unique lifecycle and offers anything you ever wanted to know about the colorful insect ..."-- Publisher marketing

Presents a nonfiction picture book in which two children learn about each stage of the life cycle of butterflies. Also describes the dangers facing butterflies today, and how readers can help. Includes an activity, notes for parents and teachers, and a list of books about butterflies to share.

Take a flight of fancy with nature's most beguiling creatures. See their miraculous transformation from lowly caterpillar to airborne adult, and learn why these delicate insects have long inspired and entranced us.