Hardcover
details (USA).(see also: Audible Audiobook · Audio CD · Audio CD)
details (UK).(see also: Audible Audiobook · Audio CD · MP3 CD)
details (Germany).(see also: CD-ROM · Audio CD)
details (Canada).(see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle))
ISBN: 978-0-525-43035-3
ISBN-10: 0-525-43035-0
Dutton Juvenile · 1961