This book is part of a book series called Great Inventions .

This book has been graded for interest at 12-17 years.

There are 48 pages in this book. This book was published 2005 by World Almanac Library .

Richard Worth has written several biographies and histories for middle graders, including Stanley and Livingstone and the Exploration of Africa in World History , The Spanish Inquisition in World History , and Voices from Colonial America: Louisiana, 1682-1803 .