National Audubon Society Pocket guide to Familiar trees

From the National Audubon Society®, this accurate field guide is designed to help readers identify the most common trees often found in the Western Region (bounded by the Rocky Mountains). The guide features color photography, useful line drawings, and informative text. Identification methods, along with range and habitat, are discussed. The convenient size (4” x 6”) makes this series popular with hikers; the guide easily slips into a pocket or backpack.