Hardcover
details (UK).(see also: Audible Audiobook · Audio CD · Audio CD)
details (USA).(see also: Audio CD · Audio Cassette · Audible Audiobook)
details (Germany).(see also: Audible Hörbuch · Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle) · eBook (Kindle))
ISBN: 978-0-14-000833-3
ISBN-10: 0-14-000833-0
Penguin Books · 1973