Hardcover
details (USA).(see also: Audio Cassette · Audible Audiobook · eBook (Kindle))
details (UK).(see also: Audible Audiobook · eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Audible Hörbuch · Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook · Audible Audiobook)
ISBN: 978-0-670-71512-1
ISBN-10: 0-670-71512-3
Viking Books for Young Readers · 1985