Paperback
details (USA).(see also: eBook (Kindle) · Audible Audiobook)
details (UK).(see also: eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
ISBN: 978-0-8125-2202-0
ISBN-10: 0-8125-2202-8
Tor Books · 1989