A winner. Midwest Book Review 2011 This is an authoritative summary of the authors' personal research and more than 3,000 literature sources. It, and the upcoming second volume, will be an excellent resource for professionals in many fields for years to come and a detailed reference book for anyone wishing to know about venomous snakes. Highly recommended. Choice 2011 A valuable source of information for anyone interested in these species, and is sure to be a standard reference for serious herpetologists. -- Steven Winchell Reptilia 2012