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  1. Harley Quin

    Harley Quin is the most mysterious character created by Agatha Christie. Find out more about Mr Quin, Christie’s own favourite character.

    Published in Characters

  2. The Man from the Sea

    A man tries to leap to his death but is stopped first by Harley Quin, then by Mr Satterthwaite. Can they restore happiness to the man's life? From The Mysterious Mr Quin.

    Published in Stories

  3. The Coming of Mr Quin

    The introduction of Mr Harley Quin; enigmatic and insightful, Agatha Christie described him as associated with love and death. From The Mysterious Mr Quin.

    Published in Stories

  4. The World's End

    The Duchess of Leith, one of Mr Satterthwaite's friends, is looking to clear the name of her cousin's fiance who has been accused of stealing. Can Satterthwaite and the elusive Mr Quin assist? From The Mysterious Mr Quin.

    Published in Stories

  5. The Voice in the Dark

    Mr Satterthwaite’s old friend, Lady Barbara Stanleigh, asks him to investigate her daughter Margery’s claim that the family seat is haunted. He and Mr Quin set about solving the mystery... From The Mysterious Mr Quin.

    Published in Stories

  6. The Soul of the Croupier

    Mr Satterthwaite is on his annual trip to Monte Carlo when he finds himself in the company of Mr Quin. The Mysterious man is caught up in a love triangle; together the men do their best to ensure everyone’s happiness. From The Mysterious…

    Published in Stories

  7. The Sign in the Sky

    Can Mr Quin and Mr Satterthwaite prove a man innocent when he is convicted of murder? Or did Martin Wylde really take the life of the beautiful Vivien Barnaby? From The Mysterious Mr Quin.

    Published in Stories

  8. The Love Detectives

    A messy love triangle ends in murder, but are the widowed wife and her lover really to blame? Satterthwaite encounters Mr Quin once more and they examine the facts of the situation... From Three Blind Mice and Other Stories and Problem at…

    Published in Stories

  9. The Harlequin Tea Set

    Mr Quin leaves Satterthwaite with one word: Daltonism. But what does a tendency to colour blindness have to do with a brutal murder? From Problem at Pollensa Bay and Other Stories and The Harlequin Tea Set and Other Stories.

    Published in Stories

  10. The Face of Helen

    Satterthwaite and Mr Quin witness a brutal fight outside an opera house - what could have caused such behaviour? From The Mysterious Mr Quin.

    Published in Stories

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