Second Editions
UK Paperback Edition
Release Date: 29 March 2012
US Paperback Edition
Release Date: 28 August 2012
First Editions
UK Hardback Edition
Release Date: 25 June 2009
Korean Hardback Edition
Release Date: 27 September 2010
US Hardback Edition
Release Date: 12 November 2009
Latvian Hardback Edition
Release Date: 2011
Chinese First Edition
Release Date: January 2010
Indonesian First Edition
Kompas Media
Release Date: June 2011
Taiwanese First Edition
Release Date: 2 April 2010
Egyptian First Edition
Sutour Books
Release Date: TBA
Japanese First Edition – Vol. 1
NTT Shuppan
Release Date: TBA
Portuguese First Edition
Release Date: 2013