This book is part of a book series called Classified .

This book has been graded for interest at 10-14 years.

There are 89 pages in this book. This book was published 2004 by Kingfisher .

The author of over 115 books, including the top selling Horrible Histories series, Terry Deary is one of the most successful children's writers today. He sells one million books a year and is the most borrowed British author in school libraries.