This book has been graded for interest at 14+ years.

There are 489 pages in this book. This book was published 2007 by Simon & Schuster Books for Young Readers .

Malorie Blackman was the 8th UK Children's Laureate and is one of the UK's highest profile authors for teenagers and young adults. She has won the Children's Book Award and a raft of other prizes and is the force behind the annual YALC event.