Hardcover
details (United States).(see also: Audible Audiobook · eBook (Kindle))
details (UK).(see also: eBook (Kindle) · Audible Audiobook)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-89296-281-5
ISBN-10: 0-89296-281-X
Mysterious Press · 1988