Mass Market Paperback
details (United States).(see also: Audio CD · eBook (Kindle) · Audible Audiobook)
details (UK).(see also: eBook (Kindle) · Audio Cassette · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: Audio Cassette · eBook (Kindle))
ISBN: 978-0-671-73777-1
ISBN-10: 0-671-73777-5
Pocket Books · 1991