Paperback
details (UK).(see also: Audible Audiobook)
details (USA).(see also: eBook (Kindle) · Audible Audiobook · Audio CD)
details (Germany).(see also: Audible Hörbuch · MP3 CD)
details (Canada).(see also: eBook (Kindle) · MP3 CD · Audible Audiobook)
ISBN: 978-0-241-95145-3
ISBN-10: 0-241-95145-3
Penguin · 2011