This book is part of a book series called Questions And Answers About .

This book is aimed at children in primary school.

There are 48 pages in this book. This book was published 2007 by Scholastic US .

Melvin and Gilda Berger are the authors of more than two hundred books for children. Their books have recieved awards from the National Science Teachers Association, the Library of Congress, and the New York Public Library. The Bergers live in New York.