Hardcover
details (USA).(see also: eBook (Kindle) · Audible Audiobook · Kindle Edition with Audio/Video)
details (United Kingdom).(see also: Audible Audiobook · Audio CD)
details (Germany).(see also: Kindle Ausgabe · Kindle-Edition mit Audio/Video)
details (Canada).(see also: eBook (Kindle) · Kindle Edition with Audio/Video · Audio CD)
ISBN: 978-0-547-56687-0
ISBN-10: 0-547-56687-5
HMH Books for Young Readers · 2011