This delightful and ingenious pop-up book traces a caterpillar's evolution from lowly cocoon to magnificent winged butterfly. Along the way we find cunning insects hidden in the grass, inchworms munching their way through a jungle of leaves, and a floral paradise where the newly hatched butterfly makes its home. Intricately constructed with the dazzling color and delicate details that have become UG's trademark, this book also tells young readers one of nature's most basic stories.