This book is part of a book series called Powerful Medicine .

This book has been graded for interest at 10-14 years.

There are 48 pages in this book. This book was published 2010 by Lerner Publications (Tm) .

Sandra Markle is the author of numerous award-winning books for children on a variety of science topics, including "Outside and Inside Birds, "an American Library Association Notable Book. She lives in New Zealand.