Paperback
details (UK).(see also: eBook (Kindle) · Audio CD · Audio CD)
details (USA).(see also: Audible Audiobook · eBook (Kindle) · Audio CD)
details (Germany).(see also: Audio CD · Kindle Ausgabe · Audio CD)
details (Canada).(see also: eBook (Kindle) · Audio CD · Audio CD)
ISBN: 978-0-14-044500-8
ISBN-10: 0-14-044500-5
Penguin Classics · 1987