Paperback
details (United Kingdom).(see also: Audible Audiobook · eBook (Kindle) · Audio CD)
details (USA).(see also: Audible Audiobook · Audible Audiobook · eBook (Kindle))
details (Canada).(see also: eBook (Kindle) · eBook (Kindle) · CD-ROM)
ISBN: 978-0-14-018882-0
ISBN-10: 0-14-018882-7
Penguin Classics · 1996