Find out why lizards are more numerous and successful than any other group of reptiles and trace their evolution - from dinosaurs, pterosaurs, and ichthyosaurs to the rich diversity of species in existence today.
O'Shea, Mark Mark O'Shea, curator of reptiles at West Midland Safari Park (U.K.), has participated in more than sixty fieldwork and filming exhibitions, traveling to every continent except Antarctica. His books include the definitive "Guide to the Snakes of Papua New Guinea: Reptiles and Amphibians" (coauthored with Tim Halliday); and "Venomous Snakes of the World" (Princeton).