Supercroc and the origin of crocodiles /
by Christopher Sloan ; introduction by Paul Sereno.
- Washington, D.C. : National Geographic, c2002.
- 55 p. : ill. (some col.), col. maps ; 29 cm.
Includes index.
Discusses prehistoric crocodiles, including the discovery of SuperCroc in the Sahara Desert, and the lifestyles, habitats, and conservation of modern crocodiles.