GARY HEYN: Presents “Standing at the Grave: A Family’s Journey from the Grand Duchy of Posen to the Prairies of North Dakota” in conversation with Carla Hagen. 7 p.m. Tuesday, Sept. 19, SubText Books, 6 W. Fifth St., St. Paul. JACQUELINE HOLLAND: Minnesotan discusses her debut novel “The God of Endings,” chosen by six publications […]