Paperback
details (United Kingdom).(see also: eBook (Kindle) · Audible Audiobook)
details (United States).(see also: eBook (Kindle) · Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: Audible Audiobook · eBook (Kindle))
ISBN: 978-1-85723-671-2
ISBN-10: 1-85723-671-8
Orbit · 1990