This book is part of a book series called Iscience Readers-Level a .

This book has been graded for interest at 6-7 years.

There are 24 pages in this book. This book was published 2011 by Norwood House Press .

Emily Sohn is a freelance journalist in Minneapolis, who covers mostly health, science, environment and adventure for both kids and grown-ups. Among other publications, her work has appeared in U. S. News & World Report, the Los Angeles Times, Smithsonian, Backpacker and Science News for Kids, and she is a contributing writer for Discovery News. Assignments have taken Emily to exotic locations around the globe, including Cuba, Fiji and the Peruvian Amazon.