Mark O'Shea is professor of herpetology at the University of Wolverhampton. He has presented many television documentaries on reptiles for the Discovery Channel, ITV, and the BBC, conducted herpetological fieldwork for the Royal Geographical Society and other organizations, and participated in snakebite research in collaboration with the universities of Oxford, Liverpool, Melbourne, and Adelaide. His many books include Lizards of the World, Venomous Snakes of the World, and Boas and Pythons of the World (all Princeton).