内容简介
ThedaughterofanAmericanmillionairediesonatrainenrouteforNice…WhentheluxuriousBlueTrainarrivesatNice,aguardattemptstowakesereneRuthKetteringfromherslumbers.Butshewillneverwakeagain–foraheavyblowhaskilledher,disfiguringherfeaturesalmostbeyondrecognition.Whatismore,herpreciousrubiesaremissing.TheprimesuspectisRuth’sestrangedhusband,Derek.YetPoirotisnotconvinced,sohestagesaneeriere-enactmentofthejourney,completewiththemurdereronboard…