John C. Murphy is a retired science educator with a lifelong interest in herpetology. His other books include: Tales of Giant Snakes; Amphibians and Reptiles of Trinidad and Tobago; Homalopsid Snakes: Evolution in the Mud; Secrets of the Snake Charmer: Snakes in the 21st Century; Dogs and Snakes: avoiding the bite; A Field Guide to the Amphibians & Reptiles of Trinidad & Tobago and Arizona's Amphibians & Reptiles. Tom Crutchfield has been a professional herpetologist, breeding and collecting reptiles his entire life. At one time he was one of the largest reptile dealers in the world. In addition, he has authored and coauthored several scientific papers and worked in situ on several out-of-country conservation projects.