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"Markheim" is a short story by Robert Louis Stevenson, originally prepared for the Pall Mall Gazette in 1884, but published in 1885 in The Broken Shaft: Tales of Mid-Ocean as part of Unwin's Christmas Annual.  The story was later published in Stevenson's collection The Merry Men and Other Tales and Fables (1887).
The story opens in an antique store. Markheim wishes to buy a Christmas present for a woman he will soon marry. The dealer presents him with a mirror but Markheim takes fright at his own reflection, claiming that no man wants to see what a mirror shows him. Markheim seems strangely reluctant to end the transaction, but when the dealer insists that Markheim must buy or leave, Markheim consents to stop tarrying and review more goods. The dealer turns his back to replace the mirror, and Markheim pulls out a knife and stabs him to death.
Markheim spends some minutes recovering his nerve, when he hears someone moving about upstairs, though he knows the servant has taken the day off and no one should be there. He reassures himself that the outer door is locked, then searches the dead body for keys and goes to the upper rooms where the dealer lived to look for money. As he searches, he hears footsteps on the stairs, and a man opens the door and asks, "Did you call me?"
Markheim believes the stranger is the Devil. Though he never identifies himself, the stranger is clearly supernatural; he says that he has watched Markheim his whole life. He tells Markheim that the servant has left her friends early and is returning to the store, so Markheim had best hurry. Rather than continue looting, however, Markheim tries to justify his life and conduct to the stranger, entering into a discussion of the nature of good and evil. The stranger refutes him on every point, and Markheim is at last obliged to admit that he has thrown his life away and turned to evil.
The servant returns, and as she knocks on the door the stranger advises Markheim that he can entice her in by telling her that her master is hurt, then kill her and have the whole night to ransack the house. Markheim retorts that if he has lost the love of good, he still hates evil, and can still do one worthwhile thing by ending his life. At the end of the conversation when he refuses to kill the maid and continue ransacking the house, the face of the stranger undergoes a "wonderful and lovely change", full of "tender triumph", and the stranger disappears. Markheim opens the door and tells the servant, "You had better go for the police; I have killed your master."
- The radio drama anthology series, The Weird Circle, adapted the story for broadcast on 20 May 1945.
- An episode of the 1950s radio drama anthology The Hall of Fantasy was adapted from "Markheim".
- An episode of the 1950s radio drama Dragnet titled "The Big In-Laws" quotes the story.
- It was dramatized as the third episode of the fifth season of the television series Suspense in 1952. The episode was titled "All Hallows Eve" and starred Franchot Tone.
- The story was dramatized for television as an episode of the anthology series Screen Directors' Playhouse (1955-56); Ray Milland starred as Markheim and Rod Steiger portrayed the Stranger.
- Carlisle Floyd adapted the story into a one-act opera as a vehicle for Norman Treigle; it was premiered in 1966.
- In 2009, a reading of the story by Hugh Bonneville was broadcast on BBC Radio 7.
- The Italian composer Carlo Deri composed a one-act opera, “Markheim”, from which he created a libretto freely inspired to the homonymous story of R.L. Stevenson; it was premiered in 2015, transcribed from the original, as a chamber opera (Pisa, Italy, Teatro Verdi, 18 April 2015).
- The Broken Shaft: Tales of Mid-Ocean (ed. H. Norman), Unwin’s Christmas Annual, London: T. Fisher Unwin, December 1885
- "Carlisle Floyd - Markheim - Opera". boosey.com. Retrieved 24 February 2015.
- "Carlo Deri - Markheim - Recitar Cantando in un atto liberamente tratto dall’omonimo racconto di Robert Louis Stevenson".
- Harman, Claire. Myself and the Other Fellow: A Life of Robert Louis Stevenson. HarperCollins (2005): New York. ISBN 0-06-620984-6
|Wikisource has original text related to this article:|
- Markheim (as part of The Merry Men and Other Tales and Fables) at Project Gutenberg
- All Hallow's Eve at Archive.org