Paperback
details (UK).(see also: Audible Audiobook · Audible Audiobook · MP3 CD)
details (United States).(see also: Audible Audiobook · MP3 CD)
details (Germany).(see also: Audible Hörbuch · Audible Hörbuch · MP3 CD)
details (Canada).(see also: Audible Audiobook · MP3 CD · Audible Audiobook)
ISBN: 978-0-14-007094-1
ISBN-10: 0-14-007094-X
Penguin · 1984