The first volume contains species accounts of the venomous lizards and elapid and viperid snakes found north of Mexico's twenty-fifth parallel. Volume two cover

Providing thorough descriptions of almost 200 species, this guide presents thousands of facts and figures that will help you identify, understand, and appreciat

Snakes of the World: A Catalogue of Living and Extinct Species-the first catalogue of its kind-covers all living and fossil snakes described between 1758 and 20

Guide and reference to the snakes of Western North America.