Hone your amateur arborist skills with this magnificent guide to North American trees from the National Audubon Society. Identify that mysterious tree on a walk in the woods by cross-referencing its leaf shape and arrangement, its bark type, its fruit or flowers, and even its roots. Learn what type of environment is necessary for introducing a new species to your backyard, or just enjoy a stroll through our nation's many beautiful arboreal wonders. Covering more than 540 species with 2,500 full-color photographs, this "most comprehensive, authoritative, and up-to-date work of its kind" is the ultimate reference for tree lovers.