Mass Market Paperback
details (United States).(see also: Audible Audiobook · Audio CD · eBook (Kindle))
details (UK).(see also: eBook (Kindle) · Audio Cassette)
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details (Canada).(see also: eBook (Kindle))
ISBN: 978-0-445-40855-5
ISBN-10: 0-445-40855-3
Mysterious Press · 1989