Mass Market Paperback
details (Canada).(see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle) · eBook (Kindle))
details (UK).(see also: Audio Cassette · Audible Audiobook · eBook (Kindle))
details (Germany).(see also: CD-ROM · Kindle Ausgabe · Kindle Ausgabe)
ISBN: 978-0-14-139304-9
ISBN-10: 0-14-139304-1
Penguin Classics · 2013