This book is part of a book series called Life Science Discipline .

This book has been graded for interest at 10-12 years.

There are 48 pages in this book. This book was published 2007 by Compass Point Books .

Sharon Katz Cooper is a science educator and freelance writer who specializes in science and social studies topics. She has written more than 25 books for children, including a series called Horrible Habitats, which was recommended by the National Science Teachers Association (NSTA). She is based in Pittsburgh, Penn. , where she lives with her husband and three boys, Reuven, Judah, and Yaron.