National Audubon Society Field Guide to North American Butterflies

Full-color, National Geographic-quality photographs provide unsurpassed clarity and ensure virtually fool-proof identification of every specimen. Guides also include easy-to-use identification keys, detailed glossaries, and interesting facts about the environment and location of featured birds, buds, or bugs. Wrapped in a durable vinyl cover. 7-1/2"L x 4"W x 1"H.