Agatha Christie - Halloween Party - Audiobook

At a Hallowe'en party, Joyce, a hostile 13-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.