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Ronald Knox's Commandments In Detective Fiction

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Ronald Knox’s commandments for detective fiction ultimately function as a guide for what he believes constitutes a fair and satisfying instance of the genre, each charge serving to avoid a non-fulfilling resolution for the reader. Knox’s rules in combination work to this end and the ambitions of this essay are to explore works from Poe and Christie in relation to these commandments. Poe, considered the instigator of the detective fiction genre through ‘the Dupin tales’ penned and published works that would assist in defining its conventions, providing a prototype for future authors. Christie was a beneficiary of these earlier works and attempted to ‘modernize’ the pre-established ‘conventions of detective fiction’ , in an era in which the …show more content…

Dupin succeeds in making the impossible, possible, however the revelation of a previously unmentioned animal killer still brings about a feeling of less than complete satisfaction. Contributing to this feeling is Dupin’s concealment of clues from the reader, with the presence of ‘tawny hair’ not made present in the story until after the indictment of the Ourang-Outang to which it belonged. Both of these factors hold some blame in producing a conclusion that could be considered less than fulfilling.
Conversely in Christie’s Murder on the Orient Express the authors use of a ‘locked room’ scenario ensures the reader has ‘some chance of identifying the killer’ whilst a web of false identities and alibis ‘create difficulty’ for any reader attempting to solve the puzzle. Christie also provides any and all evidences used in the final conclusion to be available to the reader as immediately as they are to the detective. Murder on the Orient Express is set up for a shocking and satisfying conclusion from its first pages, with all the elements of the solution found woven into the text before the grand reveal.
Poe’s approach differs to Christie’s in that he does not provide the reader the facts required for the crime to be

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