Hardcover
details (United States).(see also: eBook (Kindle) · Audible Audiobook)
details (United Kingdom).(see also: eBook (Kindle) · eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe · Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-545-21012-6
ISBN-10: 0-545-21012-7
Scholastic Press · 2011