This little book is designed to help children recognize the progress of life through the Paleozoic Era. Packed with colorful illustrations, it is intended to be useful as first research support for the Timeline of Life.
No book is large enough to tell the whole story but this book is a good beginning. Includes: Cambrian Period, Ordovician Period, Silurian Period, Carboniferious Period, and Permian Period. By Gary Davidson. Paperback, 63 pages.