This book is part of a book series called Understanding World History .

This book has been graded for interest at 13-17 years.

There are 96 pages in this book. This book was published 2012 by Referencepoint Press .

Harry Henderson is an educational and technical editor and writer in the areas of mathematics and computer science. He is the author of Encyclopedia of Computer Science and Technology, Global Terrorism, Revised Edition, Modern Mathematicians, and Nuclear Physics.