Provides information about enormous reptiles who swam the seas during the dinosaur age.

Color artwork and detailed captions journey underwater to capture the prehistoric world of an array of extinct animals, in the companion volume to the Discovery

Dinosaurs are usually pictured in warm, tropical environments, but fossils found at the poles are filling in the gap of knowledge about how and where these crea

“Excellent . . . Those who are interested in vertebrate paleontology or in the scientific history of the American midwest should really get a copy.” —PalA

Describes the age after the dinosaurs where huge beasts, reptiles, and flying creatures terrorized the earth.