Canada:
Doubleday, September 2010 (hard cover)
Anchor, September 2011 (paperback)
US:
Penguin Press, February 2011 (hard cover); February 2012 (paperback)
UK:
Atlantic Books, April 2011 (hard cover); April 2012 (paperback)
Canada:
Doubleday, September 2010 (hard cover)
Anchor, September 2011 (paperback)
US:
Penguin Press, February 2011 (hard cover); February 2012 (paperback)
UK:
Atlantic Books, April 2011 (hard cover); April 2012 (paperback)