Hardcover
details (USA).(see also: eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-525-42082-8
ISBN-10: 0-525-42082-7
Dutton Books for Young Readers · 2009