Paperback
details (United States).(see also: Audible Audiobook · eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-545-39077-4
ISBN-10: 0-545-39077-X
Scholastic · 2011