National Audubon Society Field Guide to North American Butterflies (National Audubon Society Field Guide Series)
Knopf, July 1981. Turtleback Binding. Very good paperback copy. The most comprehensive field guide available to North American butterflies--a must-have for any enthusiast's day pack or home library--from the go-to reference source for over 18 million nature lovers. The National Audubon Society Field Guide to Butterflies is an easy-to-use, essential.....