National Audubon Society Field Guide to North American Mammals

Tree peepers everywhere will enjoy these two guides which explore the incredible environment of our country's forests-including seasonal features, habitat, range, and lore. Nearly 700 species of trees are detailed in photographs of leaf shape, bark, flowers, fruit, and fall leaves -- all can be quickly accessed making this the ideal field guide for any time of year.

Note: the Western Edition covers the Rocky Mountain range and all the states to the west of it, while the Eastern Edition generally covers states east of the Rocky Mountains.