Mass Market Paperback
details (USA).(see also: eBook (Kindle) · Audible Audiobook)
details (United Kingdom).(see also: eBook (Kindle) · eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-445-40920-0
ISBN-10: 0-445-40920-7
The Mysterious Press · 1990