Agatha Christie's Rule of Thumb 

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Three one-act murder mysteries by the most-read mystery writer of all time - Dame Agatha Christie: In The Wasp’s Nest, Hercule Poirot comes between a bitter triangle of lovers to prevent a sinister murder; in The Rats, adulterous lovers find themselves lured to a flat, only to be trapped like rats and framed for murder; and completing the triple bill is a tense thriller about a woman who is hospitalized after seemingly falling from her balcony in The Patient.