This book is part of a book series called The History Of Science .

This book has been graded for interest at 11-17 years.

There are 112 pages in this book. This book was published 2015 by Essential Library .

Roberta Baxter writes about science and history for students of all ages. She studied chemistry in college, but also enjoys learning about historical events and people. Her books include The Reactions of Metals, The Home Front in the North and The Home Front in the South. She lives in Colorado Springs, Colorado.