This book is part of a book series called Scientific American Critical Anthologies On Environment And .

This book has been graded for interest at 14-17 years.

This book was published 2006 by Rosen Publishing Group .

Krista West writes chemistry, biology, and Earth science books for young adults from her home in Fairbanks, Alaska. She holds a B. S. in zoology from the University of Washington and master's degrees in Earth science and journalism from Columbia University.