The more than 120 gigantic creatures in this big book of prehistoric animals lived millions of years ago — and you can learn about them as you color each one's picture. Among others, you'll find large illustrations of: • Dimetrodon and Stegosaurus, both primitive lizards • Oligokyphus, a mammal-like reptile that looks like the modern weasel • Indricotherium, a treetop-nibbling ancestor of the rhinoceros Fact-filled captions include information on each animal's size, habitat, diet, and other data. In addition to providing youngsters with intriguing information about real subjects, this collection also offers artists and craftspeople an inexpensive source of royalty-free illustrations.