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The Four False Weapons, first published in 1937, is a detective story by John Dickson Carr featuring his series detective Henri Bencolin. This novel is a mystery of the type known as a whodunnit.
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The Mad Hatter Mystery, first published in 1933, is a detective story by John Dickson Carr featuring his series detective Gideon Fell. This novel is a mystery of the type known as a whodunnit.
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