Hardcover
details (UK).(see also: eBook (Kindle) · Audible Audiobook · Audio Cassette)
details (USA).(see also: eBook (Kindle) · Audible Audiobook · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · CD-ROM · Audio CD)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-85753-018-9
ISBN-10: 0-85753-018-6
Doubleday Childrens · 2011