Encyclopedia of Dinosaurs: Triassic, Jurassic and Cretaceous Periods

Encyclopedia of Dinosaurs will spark the curiosity of young readers, taking them to a time where Tyrannosaurus rex ruled the land, pterodactyls flew in the skies, and packs of velociraptors prowled the jungles. Filled with up-to-date discoveries about prehistoric life, this tome includes comprehensive material about geography, history, and other scientific information from prehistoric times. 
Here is everything young readers want to know about dinosaurs and their world—in one magnificently illustrated, up-to-date family reference.
Profiles all known dinosaurs and prehistoric creatures, from the Triassic, Jurassic and Cretaceous eras and beyond. Each main entry has a highly detailed and technically accurate illustration.