Hardcover
details (USA).(see also: eBook (Kindle) · Audible Audiobook)
details (United Kingdom).(see also: eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Spain - España).(see also: Versión Kindle)
ISBN: 978-0-375-86757-6
ISBN-10: 0-375-86757-0
Knopf Books for Young Readers · 2011