Provides in-depth entries on early Earth's climates, conditions, animal and plant life forms that flourished and floundered throughout each era, along with biog

Profiles of dinosaur species with photographs and information about habitats.

This book is the most authoritative encyclopedia ever prepared on dinosaurs and dinosaur science. In addition to entries on specific animals such as Tyrannosaur

A comprehensive pocket guide to dinosaurs and prehistoric animals and the world they inhabited millions of years ago. Packed with more than seven hundred full-c