This book is part of a book series called Library Of Physical Science .

This book has been graded for interest at 8-12 years.

There are 24 pages in this book. This book was published 2007 by PowerKids Press .

Suzanne Slade is the author of 100 books for children, including many titles on science topics. Suzanne holds a Mechanical Engineering degree, and has worked on Delta IV rockets and car braking systems before beginning her writing career. She lives in a suburb of Chicago with her husband and two children.