This beginner Peterson Field Guide® series uses a simplified version of unique Peterson identification system, widely respected for its ease of use and accuracy. Each guide incorporates color photographs and illustrations with key field marks found on each species. This guide provides complete descriptions of each caterpillar's habitat, food preference, and behavior. The book is designed to give young naturalists immediate success on their first natural history trip, inspiring further interest in the outdoors. Recommended for children ages 7 to 12.