Explore the rich fossil record of the Paleozoic Era, from the Cambrian (545 million years ago) through the Permian (almost 300 million years ago) with 650 high

This book presents a comprehensive overview of the science of the history of life. Paleobiologists bring many analytical tools to bear in interpreting the fossi

Over 670 color photos reveal the Paleozoic plants that covered the earth from 500 to 260 million years ago, well before the dinosaurs roamed the world. These pl

*Includes pictures *Includes a bibliography for further reading The early history of Earth covers such vast stretches of time that years, centuries, and even mi