Mass Market Paperback
details (United States).(see also: eBook (Kindle) · Audible Audiobook)
details (UK).(see also: Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-553-28601-4
ISBN-10: 0-553-28601-3
Spectra · 1990