Kip the Cave Boy and Paleowolf each face hunger and danger on a journey in Paleolithic times, and when they decide to join forces and help one another, Paleowolf becomes the first dog.

In this book, simple, age-appropriate text introduces readers to Brachiosaurus, from what it looked like to how it lived. Large, exciting images fill the pages, while sidebars encourage students to ask questions and think critically about information presented in the text. Additional tools, including a glossary and index, help students build new vocabulary and locate information.

In this book, simple, age-appropriate text introduces readers to Coelophysis, from what it looked like to how it lived. Large, exciting images fill the pages, while sidebars encourage students to ask questions and think critically about information presented in the text. Additional tools, including a glossary and index, help students build new vocabulary and locate information.

What if the neighborhood cat had teeth that measured a foot long? Saber-tooth cats have been extinct for thousands of years, but once upon a time they were the predators of their neighborhoods. Learn more about the different types of these ancient felines with diagrams, critical thinking questions, and more, compiled in an accessible and interesting format for young readers.

The huge diplodocus had a long neck, a long tail, and a 2,000-pound heart! As it grazed the land for low-lying plants, the dinosaur whipped its tail at dangerous enemies. In this high-interest title, readers will learn about the life of the diplodocus, from how it survived and what it ate to how it went extinct. Special features such as maps, a pronunciation guide, a diet graphic, and a two-page profile support key points in this engaging text about...

The velociraptor was a fierce predator. Though it stood less than 2 feet tall, it was capable of taking down much larger prey. But how did it hunt? What did it eat? This fascinating text introduces readers to the world of the velociraptor, focusing on what the dinosaur ate, how it protected itself, and how it went extinct. Special features, such as maps, a pronunciation guide, a diet graphic, and a two-page profile, give readers even more information...

A low roar rumbles through the forest. A Tyrannosaurus rex is on the move! What unlucky dinosaur will be its next meal? The ferocious T. rex is famous for its long, sharp teeth. But what other traits does it have? This thrilling title uses engaging text and vibrant illustrations to explore the life of the T. rex, from how it hunted and what it ate to how it went extinct and who found the first T. rex fossils. Special features include maps, a pronunciation...

Velociraptor was a scrappy scavenger. Did you know it was only about the size of a chicken? Learn about what scientists know about velociraptors in the 21st century. Diagrams, a photo glossary, and other helpful features make this an interesting and informative look at a fascinating creature!

From woolly mammoths to saber-toothed cats, prehistoric mammals once roamed Earth. With beautiful and engaging illustrations, authentic photos, and accessible text, kids will learn all about these mighty mammals in this Level 2 reader.