For the first of four episodes recorded at the Storyfort Festival in Idaho, the GrottoPod breaks format and sits in a Boise nightspot with Stewart O’Nan, whose 16 novels include Snow Angels, West of Sunset, and City of Secrets, and New York Times best-selling author Jonathan Evison. There — minus BQ, and just prior to the release of Evison’s newest book, Lawn Boy — O’Nan, Evison and host Larry Rosen go granular on the nuts and bolts of writing, publishing, promoting and why a Pittsburgh native would write a book about the Boston Red Sox.