Mass Market Paperback
details (United States).(see also: Audio Cassette · eBook (Kindle) · Audible Audiobook)
details (UK).(see also: eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-671-72949-3
ISBN-10: 0-671-72949-7
Pocket Books · 1990