A mystery in two voices, Dirtmouth recounts the grisly murder of a young woman on Blackman's Heath, an ancient execution site in the Irish bogs. A pair of archaeologists, the obese and decadent Kraft Dundeed and his furious prot g , Roscoe Taste, each contest the other's self-justifying account of the crime while professing passionate love for the victim. Two silences frame their quarrel: Cinna McDermond, the brutalized subject of her lovers' confessions,...