Although dinosaurs are among the most famous prehistoric animals, there were many other creatures that predated them, among them reptiles that lived in the Permian, Carboniferous, and Triassic periods. This unique coloring book contains well-researched, dramatically rendered illustrations of these formidable creatures, many of which were ancestors of modern mammals. Included are Nothosaur, a slender, 10-foot-long animal that hunted fish...