Among the towering red cliffs of Petra, like some monstrous swollen Buddha, sits the corpse of Mrs. Boynton. A tiny puncture mark on her wrist is the only sign of the fatal injection that killed her.
With only twenty-four hours available to solve the mystery, Hercule Poirot recalled a chance remark he?d overheard back in Jerusalem: ?You see, don?t you, that she?s got to be killed?? Mrs. Boynton was, indeed, the most detestable woman he?d ever met. . . .