My Book of Dinosaurs and Prehistoric LifeA friendly first guide to the plants and animals of prehistoric Earth Travel back in time to find out about the fantastical wildlife that lived on Earth before we did. From the first living cells to fearsome dinosaurs and giant mammals, take a journey through prehistory to find out about the supersized, the scary, and the downright bizarre animals and plants that inhabited Earth in ancient times. Broken down by plant or animal type, there are profiles