This book illustrates 37 different butterflies, several caterpillars, and two moths with color photos to teach the actual color scheme of each. You can learn the differences between a butterfly and a moth in the in-depth descriptions which include the common name, scientific name, and wingspan of each species. Learn about rare and at risk species found in southern California, such as the Hermes Copper that is essentially endemic to San Diego County and is depicted on the front cover of this book.