This book is part of a book series called Cool Careers .

This book has been graded for interest at 10-13 years.

There are 32 pages in this book. This book was published 2009 by Gareth Stevens Publishing .

Geoffrey M. Horn has written more than four dozen books for young people and adults, along with hundreds of articles for encyclopedias and other works. He lives in southwestern Virginia, in the foothills of the Blue Ridge Mountains.