Elephants can remember: "While Poirot investigates a famed psychiatrist's murder, crime novelist Ariadne Oliver looks into a couple's mysterious death." -- The Big Four: "With the world on the brink of war, Poirot finds himself drawn into a case marked by political intrigue and international connections. -- Dead man's folly: "Fiction turns to fact when a young woman is killed at a "murder hunt" devised by Ariadne Oliver." -- The labours of Hercules:...