Paperback
details (UK).(see also: eBook (Kindle) · Audible Audiobook)
details (USA).(see also: eBook (Kindle) · Audible Audiobook · Audio CD Library Binding)
details (Germany).(see also: Audible Hörbuch · Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook)
ISBN: 978-0-14-002335-0
ISBN-10: 0-14-002335-6
Penguin Classics · 1982