This book is part of a book series called True Books-Biographies .

This book has been graded for interest at 7-10 years.

This book was published 2013 by Scholastic .

Robin Doak, a former editor of Weekly Reader and U. S. Kids magazine, has 18 years of experience writing for children. She has written more than 35 books for young readers on various subjects including history, geography, and science.