Paperback
details (UK).(see also: eBook (Kindle) · CD-ROM · Audible Audiobook)
details (USA).(see also: eBook (Kindle) · Audible Audiobook · CD-ROM)
details (Germany).(see also: Kindle Ausgabe · CD-ROM · Audible Hörbuch)
details (Canada).(see also: eBook (Kindle) · Audible Audiobook · Audible Audiobook)
ISBN: 978-0-241-95172-9
ISBN-10: 0-241-95172-0
Penguin · 2011