Paperback
details (USA).(see also: eBook (Kindle) · Audible Audiobook · Audio CD)
details (United Kingdom).(see also: Audio CD)
details (Germany).(see also: Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audio CD · Audible Audiobook)
ISBN: 978-0-547-57727-2
ISBN-10: 0-547-57727-3
HMH Books for Young Readers · 2011