内容简介
Abeautifulheiresshasbeenfounddeadonatrain.Aplayboyhasbeenstabbedthroughtheheartduringacostumeball.Anelderlywomansuspectsthatsheisbeingslowlypoisonedtodeath.Aprincefearsforhisreputationwhenhisfiancéeisembroiledinanotherman'smurder.Aforgottenreclusemakesheadlinesafterheisshotinthehead.WhobutAgathaChristiecouldconcoctsuchcannycrimes?WhobutBelgiandetectiveHerculePoirotcouldpossiblysolvethem?It'sachallengetobemet—inatriumphofdetection.,