When students study prehistoric mammals, they get a glimpse at a world that existed millions of years ago. This volume provides many learning opportunities for readers who are interested in the animals that roamed the planet so long ago. It explores 10 prehistoric mammals, including the beloved woolly mammoth, woolly rhino, and Smilodon, and covers fascinating facts about them through manageable language that's designed for young readers. Each mammal is depicted through a dazzling full-color graphic. A glossary and timeline helps reinforce the topics presented in the text.