“Gasps of surprise” greeted yesterday’s announcement of the nominees for Canada’s Giller Prize, since many of the nominees are little-known. They are: Anthony De Sa’s debut story collection, Barnacle LoveMary Swan’s first novel, The Boys in the TreesMarina Endicott’s debut Good to a Fault (from new publisher Freehand Books)Joseph Boyden’s Through Black SpruceRawi Hage’s Cockroach National Post