A portable, comprehensive field guide--brimming with concise descriptions and stunning color photographs, and designed to fit into your back pocket--from the go-to reference source for over 18 million nature lovers.The National Audubon Society Pocket Guide: Insects and Spiders is the essential pocket-size guide to 80 of the most abundant and colorful insects and spiders in North America. Small enough to fit in your back pocket and featuring stunning full-color photographs and concise descriptions, this handy guide is the ideal companion for any outdoor excusion, and perfect for beginners and experts alike.