This is book number 36 in the Hercule Poirot Mysteries series.
When a Halloween Party turns deadly, it falls to Hercule Poirots to unmask a murderer in Agatha Christie’s classic murder mystery, Hallowe’en Party.
At a Halloween 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...
Agatha Christie is the most widely published author of all time, outsold only by the Bible and Shakespeare. Her books have sold more than a billion copies in English and another billion in a hundred foreign languages. She died in 1976, after a prolific career spanning six decades.