Guide to identifying native (and some widely introduced) trees of U.S. and Canada east of the Rocky Mountains. Organized as a dichotomous key, the book leads th

These pocket-sized Nature Study Guides describe plants and animals in easy-to-understand language. They include drawings, keys, terms, symbols, and glossaries.

Pocket guide to mammal tracks. Includes keys to print shapes and track patterns, discussion of scat and other signs, habitat information, range maps, and drawin

What kind of tree is that? Whether you're hiking in the woods or simply sitting in your backyard, from Maine to New York you'll never be without an answer to th