This book is part of a book series called Mission-Science .

This book has been graded for interest at 9-11 years.

There are 40 pages in this book. This book was published 2010 by Compass Point Books .

Robin Doak, a former editor of Weekly Reader and U. S. Kids magazine, has 18 years of experience writing for children. She has written more than 35 books for young readers on various subjects including history, geography, and science.