Hallowe'en Party

At a Hallowe'en party Joyce - a hostile thirteen-year-old - boasts that she once witnessed a murder. When no-one believes her she storms off home. But within hours her body is found still in the house drowned in an apple-bobbing tub. That night Hercule Poirot is called in to find the ‘evil presence'. But first he must establish whether he is looking for a murderer or a double-murderer