the a.b.c. murders :: a hercule poirot mystery / The A.B.C. murders :: a Hercule Poirot mystery / The A.B.C. murders :：a Hercule Poirot novel / The monogram murders：The new Hercule Poirot mystery the mystery of three quarters :: the new hercule poirot mystery / the first Hercule Poirot mystery Death on the Nile：a Hercule Poirot mystery The mystery of three quarters :: the new Hercule Poirot mystery / the body library :: a nyquist mystery / the thai amulet :: an archaeological mystery /