153 pages : color illustrations, color maps ; 29 cm
Note
Includes index.
Summary
"Take a trip to the ancient past to come face-to-face with legendary dinosaurs such as T. rex, Stegosaurus, and Triceratops. Find out about jaw-dropping discoveries, including dinosaurs that turned nto gemstones, pterosaurs the size of airplanes, and the island of the last mammoths."-- Back of cover.