Gail Griffin had only been married for four months when her husband’s body was found in the Manistee River, just a few yards from their cabin door. The terrain of memoir is full of stories of grief, though "Grief’s Country: A Memoir in Pieces" is less concerned with the biography of a love affair than with the lived phenomenon of grief itself—what it does to the mind, heart, and body; how it functions almost as an organism.