Hardcover
details (USA).(see also: Audio CD · eBook (Kindle) · Audible Audiobook)
details (UK).(see also: Foam Book)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-525-67204-3
ISBN-10: 0-525-67204-4
Dutton Juvenile · 1966