The most common snakes, turtles, lizards, frogs and toads, salamanders, and crocodilia of North America.

A simplified field guide to the common insects of North America.

Offers concise descriptions and detailed illustrations of the diverse mammal species and inlcudes specific guidelines on techniques of field identification.

Ecology.

Presents the novice with information about the plants and animals--from poison ivy and cockroaches to crabgrass and mountain lions--that grow and live near huma