This book is part of a book series called Kids Questions .

There are 24 pages in this book. This book was published 2010 by Capstone 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.