A field guide to reptiles and amphibians of the United States and Canada east of the 100th meridian

Nearly "every species of frog, toad, salamander, snake lizard, turtle, alligator and crocodile found in eastern North America is catalogued with over 1,100 illustrations, more than 400 of them in full color. Identification characteristics, habitat, ecology, and natural history of each species are noted, and there is advice on the adoption of reptiles and amphibians as pets."