This event also served as the 31st Canvention , Canada 's national science fiction convention .
The scheduled guests of honour include international author John Scalzi , Canadian author Karl Schroeder , editor Gardner Dozois , and filk band Toyboat .
This event also served as the 31st Canvention , Canadian 's national science fiction convention .
The scheduled guests of honour include international author John Scalzi , Canadian author Karl Schroeder , editor Gardner Dozois , and filk band Toyboat .