This book is part of a book series called Lets-Read-And-Find-Out Science .

This book has been graded for interest at 4-8 years.

There are 40 pages in this book. This book was published 2002 by HarperCollins .

Paul Meisel has illustrated many books for children, including Why Are the Ice Caps Melting?, Energy Makes Things Happen, and What Happens to Our Trash? in the Let's-Read-and-Find-Out Science series. He lives in Newtown, Connecticut.