Hardcover
details (USA).(see also: eBook (Kindle) · Audible Audiobook)
details (UK).(see also: Audible Audiobook)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
details (Japan).(see also: 電子書籍 (キンドル))
ISBN: 978-0-8027-9695-0
ISBN-10: 0-8027-9695-8
Walker Childrens · 2009