Article content Hudson literary festival StoryFest will have Giller prize winner Souvankham Thammavongsa open its 20th-anniversary year. Thammavongsa, the author of How to Pronounce Knife, will appear on Thursday, May 20 at 7:30 pm. This will open StoryFest 2021, with a summer event to come, a month-long set of activities in October as well as a special event being planned for December. The presentations will be held online via Zoom. We apologize, but this video has failed to load. Try refreshing your browser, or Greenwoodâs StoryFest marks 20th year Back to video Over the past two decades, StoryFest has welcomed almost 150 Canadian writers, including Margaret Atwood, Michael Ondaatje, Romeo Dallaire, Margaret MacMillan, Lawrence Hill and Emily Urquhart.