A Field Guide to Western Reptiles and Amphibians - Peterson Field Guides

This third edition covers all the species of reptiles and amphibians found in western North America. More than 650 full-color paintings and photographs show key details for making accurate identifications. Up-to-date color range maps give species' distributions. Important information on conservation efforts and survival status rounds out the detailed species descriptions. Robert C. Stebbins, 2003. softcover