Colorado Parks & Wildlife Research Library

Examines the mass extinction of dinosaurs and offers a possible explanation of the causes.

Counting from one to ten with different dinosaurs.

Describes the physical characteristics, body parts, and habits of the Tyrannosaurus Rex.

From allosaurus to stegosaurus, this book reveals amazing facts about the dinosaurs and other amazing reptiles who ruled the planet for 150 million years. With amazing images and jaw-dropping facts, learn all about Jurassic dinosaurs

Describes the characteristics and habits of dinosaurs and other prehistoric reptiles.

Includes glossary and index

Includes index

Includes glossary and index

Includes index. Traces the history of the study of fossils.

Describes the physical characteristics, body parts, and habits of the brachiosaurus.