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.
Contains 5 of the 8 books in the National Audubon Society Pocket Guide Series:
Songbirds and Familiar Backyard Birds: Eastern Region
Familiar Mammals of North America
Familiar Animal Tracks of North America
Familiar Butterflies of North America
Knopf Publishing Group
each about 0.43" H x 4.16" L x 6.07" W and 192 pages
paperback