This book is part of a book series called Popular Science Mini Guides .

This book has been graded for interest at 9-12 years.

There are 128 pages in this book. This book was published 2001 by Barnes & Noble .

The author, Ian Graham, is a full-time writer of books and magazines, specialising in technology. Sarah Graham is an experienced teacher, wife and mother. She lives with her husband and family in the north of the U. K. where she teaches in a primary school. She is a keen horsewoman in her own time and uses the outdoors as a source of inspiration in her teaching.