Hercule Poirot boards a bus and goes to the aid of a beauty in a beastly predicament. Miss Jane Marple cycles into a viper's nest of danger and intrigue. Mr. Parker Pyne takes a train to a mansion where a dance of diabolical deceit awaits him. Harley Quin motors to an isolated country inn for a rendezvous with eerie evil. — And the one and only Agatha Christie offers thirteen unforgettable journeys from bewildering bafflement to startling solution for all who love a mystery.