内容简介
Ateenagemurderwitnessisdrownedinatubofapples!AtaHallowe'enparty,Joyce--ahostilethirteen-year-old--boaststhatsheoncewitnessedamurder.Whenno-onebelievesher,shestormsoffhome.Butwithinhoursherbodyisfound,stillinthehouse,drownedinanapple-bobbingtub.Thatnight,HerculePoirotiscalledintofindthe'evilpresence'.Butfirsthemustestablishwhetherheislookingforamurdereroradouble-murderer!