Paperback
details (UK).(see also: Audible Audiobook · Audible Audiobook)
details (USA).(see also: Audio Cassette · Audible Audiobook · Audible Audiobook)
details (Canada).(see also: Audible Audiobook · Audible Audiobook · Audible Audiobook)
ISBN: 978-0-14-006060-7
ISBN-10: 0-14-006060-X
Penguin · 1982