This book is part of a book series called National Geographic Science Chapters .

This book has been graded for interest at 6-9 years.

There are 40 pages in this book. This book was published 2006 by National Geographic Society .

Sue Whiting is a former teacher who divides her time between working as a children's book editor and writing books for young people. She lives near Sydney, Australia. Donna Rawlins is an art teacher and award-winning illustrator who has created many books for children during her long career. She lives in Sydney, Australia.