Paperback
details (USA).(see also: Audio CD · eBook (Kindle) · Audio Cassette)
details (UK).(see also: Audible Audiobook · Audio CD · Audio Cassette)
details (Germany).(see also: Audio CD · Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audio Cassette · Audible Audiobook)
ISBN: 978-0-440-43071-1
ISBN-10: 0-440-43071-2
Yearling · 1972