The title of Donald Ray Pollock's newest novel comes from a line in the prologue, when the protagonist, Arvin Russell, muses how his father had always seemed to be fighting "the devil all the time" for as long as he could remember. Arvin, when the novel begins, is merely a child watching his depressed, alcoholic father deal with post-traumatic stress from World War II and the painful decline of his wife, Charlotte, to cancer. ...