Paperback
details (United States).(see also: eBook (Kindle) · Audible Audiobook)
details (UK).(see also: eBook (Kindle) · Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-445-40909-5
ISBN-10: 0-445-40909-6
Mysterious Press · 1990