This book is part of a book series called Diseases And Disorders .

This book has been graded for interest at 8-12 years.

There are 104 pages in this book. This book was published 2007 by Cengage Learning, Inc .

Peggy Thomas is the author of more than a dozen books for children and young adults, including Joshua the Giant Frog , a tall tale about the Erie Canal. Ms. Thomas is a frequent speaker in schools and libraries. She lives in Middleport, New York. Layne Johnson has illustrated many acclaimed picture books for children, including Remembering Grandpa by Uma Krishnaswami. He lives in Houston, Texas.