Amazon (Print)

United States
Canada
France
Germany
Japan
Spain
United Kingdom

Barnes & Noble (Print)

United States

Kindle (eBook)

United States
Germany
France
Spain
United Kingdom

iBooks for iPad/iPhone/iPod (eBook)

English
German/Deutsch
French/Français Spanish/Español

Nook (eBook)

United States
Note: Kindle and Nook books can be read on a variety of devices, such as Windows, Mac OS X, iPhone, iPad, and Android. For more information, see the list of Kindle applications and Nook applications.