This book is part of a book series called Cornerstones Of Freedom .

This book has been graded for interest at 9-11 years.

This book was published 2012 by Scholastic .

Michael Burgan has written more than two dozen biographies for young readers. His Breaker Boys , about photographer Lewis Hine and his depiction of child labor, was named one of SLJ 's 20 Outstanding Nonfiction Books of 2013 .