A Williams Lake writer who assisted a Secwépemc Elder, matriarch and knowledge-keeper in sharing her memoir has been shortlisted for an inaugural award by the Sunshine Coast Festival of the Written Arts. Sage Birchwater is a finalist for the Al and Eurithe Purdy B.C. Award for Excellence, a new annual prize recognizing an outstanding book of fiction or non-fiction written by a British Columbia author and traditionally published by a B.C. based p…