This book is part of a book series called Health Alert .
This book has been graded for interest at 9-12 years.
There are 61 pages in this book. This book was published 2010 by Cavendish Square Publishing .
Ruth Bjorklund is a freelance writer of nonfiction for children and teens. She has written numerous books on a variety of topics, ranging from health issues to animals to geography.
This book is in the following series: