This book has been graded for interest at 8-12 years. This book is part of a reading scheme, meaning that it is a book aimed at children who are learning to read.

This is a chapter book. Publishers market early chapter books at readers aged 6-10 years. This book was published 2003 by Greenwillow Books .

Diana Wynne Jones (1934 - 2011) was a British writer, of fantasy novels for children and adults, best known for the Chrestomanci series and `Howl's Moving Castle'.