Three blind mice -- Strange jest -- Tape-measure murder -- The case of the perfect maid -- The case of the caretaker -- The third floor flat -- The adventure of Johnnie Waverly -- Four and twenty blackbirds -- The live detectives.
Summary
Hercule Poirot tries desperately to save a kidnapped child, Miss Jane Marple goes beyond the grave to protect a dead man's heirs from disaster, and Mr. Harley Quin tracks down a cunning killer.