The Illustrated Encyclopedia of North American Reptiles and Amphibians describes and illustrates over 1,000 species of turtles, tortoise, lizards, snakes, alligators, salamanders, frogs, and toads. With Over 30,000 color photographs, this encyclopedia is for every naturalist from the novice to the experienced observer.FEATURES:- Information about each North American Reptile and Amphibian. - Over 30,000 color photographs. - Intuitive navigation: navigate from Table of Contents or search for words or phrases. - The Encyclopedia is stored in your local memory - you get the information fast and do not depend on network/server availability. - The Encyclopedia takes about 14MB.