This book is part of a book series called True Books-Physical Science .
This book has been graded for interest at 7-9 years.
There are 48 pages in this book. This book was published 2011 by Turtleback Books .
Dana Meachen Rau has written more than 300 books for children, including picture books, early readers, nonfiction, and biographies.
This book is in the following series: