Paleontology: The Study of Prehistoric Life (True Books: Earth Science (Paperback))

Millions of years ago, Earth was populated by animals unlike any that we know today. The only way to learn anything about these extinct species is to study the remains they have left behind in Earths rocks and soil. Readers will discover how paleontologists dig deep to discover these remains and how they use them to learn more about the plants and animals that once covered the planet.