Paperback
details (United States).(see also: Audio Cassette · Audible Audiobook · Audio CD)
details (Germany).(see also: Audible Hörbuch)
details (Canada).(see also: Audio CD · Audio CD · Audible Audiobook)
ISBN: 978-0-671-65244-9
ISBN-10: 0-671-65244-3
Pocket · 1987