From the winner of the PEN/Malamud Award and "one of our most gifted writers" (Chicago Tribune) comes a comic novel about a divorced Midwestern dad who takes a cutting-edge medical test and learns that he has a predisposition to murder. In this fresh take on love and trouble in America, Brock Hobson, an insurance salesman and Sunday-school teacher, finds his equilibrium disturbed by the results of a predictive blood test. Baxter,...