Paperback
details (United States).(see also: Audio CD · Audio CD · Audio CD)
details (UK).(see also: Audio CD · Audio CD)
details (Germany).(see also: CD-ROM · Audio CD · Audible Hörbuch)
details (Canada).(see also: CD-ROM · Audio CD · Audible Audiobook)
ISBN: 978-0-671-80233-2
ISBN-10: 0-671-80233-X
Pocket Books · 1969