Paperback
details (UK).(see also: eBook (Kindle) · Audible Audiobook)
details (USA).(see also: Audible Audiobook)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
ISBN: 978-0-7221-5875-3
ISBN-10: 0-7221-5875-0
Sphere · 1988