Mathieu lives in the street by choice, eschewing drugs, cigarettes, and alcohol. His main companion is his dog Sam, a pitbull, who he says has helped keep him alive. When Sam disappears, Mathieu's frantic search to find her brings him into confrontation with the secrets of his own past and the pain and grief that drove him onto the street. The novel is a monologue from Mathieu's point of view, a sort of confessional in which Mathieu opens up to the...