Hardcover
details (UK).(see also: Audio Cassette · Audio CD)
details (USA).(see also: eBook (Kindle) · Audio CD)
details (Germany).(see also: Pappbilderbuch)
details (Canada).(see also: Audio CD)
ISBN: 978-0-241-13938-7
ISBN-10: 0-241-13938-4
Puffin · 2010