Mass Market Paperback
details (United States).(see also: eBook (Kindle) · Audible Audiobook · Audio CD)
details (UK).(see also: Audible Audiobook · eBook (Kindle) · Audio CD)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audio CD · Audible Audiobook)
ISBN: 978-0-671-68976-6
ISBN-10: 0-671-68976-2
Pocket Books · 1991