Behemoth vegetarians, scrappy carnivores, huge leafy plants, and violent storms all played a role in making Earth what it is today. Learn about the early life of our planet and the plants and animals that thrived here.
DK, the best reference publisher, meets Google(tm), the world's best search engine in a comprehensive and authoritative series that's online, and sets the benchmark for reference. Providing complete and visually arresting reference at an entirely new level, e-links lead you to online information you can't get in a book: live and archival footage; sound buttons; interactive polls, quizzes, and games; links to organizations and the latest research. Each e-link tells you which keyword to use-then Google(tm) / DK take you straight to the safe, appropriate, and accurate online information.