Describes what has been learned about the physical features, behavior, and suroundings of the long-extinct sabretooth.

An illustrated guide to the physical characteristics, behaviors, diets, and habitats of dinosaurs and other prehistoric animals. Includes more than 250 ancient species, many only recently discovered.

This book describes the swimming and flying reptiles that lived in the time of the dinosaurs, including pliosaurs, plesiosaurs, pterosaurs, crocodiles, and turtles.

The reader's choices determine whether two classmates will survive after being mysteriously transported back in time to when exotic plants towered overhead and giant rat-like creatures scuttled on the ground.

Presents the names, physical characteristics, and places of origin of a variety of extinct animals, arranged chronologically into eras, periods, and epochs, and discusses times of mass extinction.

Rhyming text and illustrations present a broad range of prehistoric mammals, from the ratlike Triconodon to the spectacular Woolly Mammoth.

An introduction to the first animal life on earth, describing fossils, reptiles that ruled the world in the age of dinosaurs, and early mammals.

Introduces eleven prehistoric animals that look like dinosaurs but are missing at least one characteristic that all true dinosaurs have, helping readers discover what makes a dinosaur a dinosaur.

"Test your chops and discover if you have what it takes to survive at a time when Earth looked, well, a tad different in this ultimate survival guide to the prehistoric age. Find out how to make it through exploding volcanoes and mega monsoons--while dodging giant Permian bugs! See how to fend off an angry pterosaur and learn what to do if you're caught in a stampede of enormous titanosaurs. Discover what you could eat (spoiler alert: You better like...

Realistic illustrations highlight this story about a day in the life of the powerfully built sabre-tooth tiger. Created in collaboration with the Smithsonian Institution, information sections give all the vital statistics about the sabre-tooth tiger.