Paperback
details (UK).(see also: eBook (Kindle))
details (USA).(see also: eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe)
details (Italy).(see also: Formato Kindle)
ISBN: 978-0-7088-4920-0
ISBN-10: 0-7088-4920-2
Sphere · 1991