Hardcover
details (USA).(see also: eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-375-85856-7
ISBN-10: 0-375-85856-3
Random House Books for Young Readers · 2009