There were originally 143 titles submitted from across Canada. These were narrowed down to a longlist of 17. Now we have the final shortlist of 6!
Here are the titles with links to the Calgary Public Library catalogue where you can place a request on them:

The Free World by David Bezmozgis

The Antagonist by Lynn Coady

The Sisters Brothers by Patrick DeWitt

Half-Blood Blues by Esi Edugyan
Better Living Through Plastic Explosives by Zsuzsi Gartner

The Cat’s Table by Michael Ondaatje
The winner will be announced at a gala ceremony in Toronto on November 8, 2011, broadcast on CBC Television.
Who do you think should win the prize?