sentences:  However, Anna refuses to provide any further details about Carlo, who is soon found dead in the countryside, stabbed in the back.From reading the account of Barstow's death, which occurred during a round of golf, Wolfe conjectures that one of his clubs may have been altered to fire a poisoned needle into his belly.An autopsy proves Wolfe right, and he and Archie begin to concentrate on the Barstow family and their acquaintances, E.D.