Recognized as one of Christie's cleverest mysteries in the highly popular Poirot series. It is sure to be a success with her many avid fans. A serial killer is on the loose, murdering his victims in alphabetical order, leaving an ABC Railway Guide beside each body... and also playing a game with Hercule Poirot, alerting him in advance to the location of the murders, but Poirot always arrives too late. Intrigued by the psychopath's mind and methodology, Poirot travels the length and breadth of England - determined to track down the ruthless killer.