A Field Guide to Reptiles and Amphibians

The third edition of this classic, definitive guide to the reptiles and amphibians of eastern and central Noth America features new color plates, an updated text, and painstakingly researched maps. With increasing focus on endangered species as indicators of environmental problems, this guide will be an essential reference for anyone concerned about the state of the natural world. 48 full-color plates, 333 maps.