Paperback
details (UK).(see also: Audible Audiobook · eBook (Kindle))
details (USA).(see also: Audible Audiobook · Audio Cassette · Audio CD)
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Canada).(see also: Audio CD · Audible Audiobook)
ISBN: 978-0-333-32273-4
ISBN-10: 0-333-32273-8
Macmillan · 1981