"The text does an excellent job of describing the metamorphosis of a swallowtail butterfly, and the closeup, vibrant drawings of each developmental stage are outstanding." — School Library Journal

The best way to learn about a caterpillar is to watch one close up. With love and care, a grandfather shows his granddaughter the tiny dome-shaped eggs, explains how caterpillars shed their skins as they grow bigger and bigger, and watches with her as one special caterpillar emerges from its pupa transformed into a beautiful butterfly.