Paul Gruchow, the award-winning Minnesota writer, died Feb. 22 of a presumed drug overdose. He was honored Friday at a memorial reading organized by his publisher, Minneapolis-based Milkweed Editions. His books include Boundary Waters: The Grace of the Wild, winner of a 1998 Minnesota Book Award's Flanagan Prize; The Necessity of Empty Places; and Grass Roots: The Universe of Home, winner of a 1996 Minnesota Book Award.