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Six Women Writers Who Redefined the Crime & Mystery Genre in the 20th Century

  • sylviakayrose
  • 4 days ago
  • 4 min read

Crime and mystery fiction has long captivated readers with its twists, suspense, and complex characters. While many names stand out in this genre, six women in the 20th century reshaped how crime stories were told.



Their unique voices, innovative plots, and memorable characters not only entertain, but also expand the boundaries of mystery writing. This post explores these influential authors, highlighting their styles, notable works, and lasting impact on the genre.



magnifying glass lying on top of a stack of vintage books


  1. Agatha Christie: The Queen of Mystery


Agatha Christie (1890 - 1976) remains one of the most celebrated mystery writers ever. Her writing style is marked by clear, concise prose and intricate plotting. Christie masters the art of the locked-room mystery and the clever twist ending. Her famous detectives, Hercule Poirot and Miss Marple, have became icons in crime fiction.


  • Notable works: Murder on the Orient Express, The Murder of Roger Ackroyd, And Then There Were None

  • Contribution: Christie popularizes the classic whodunit format and sets high standards for plot construction and red herrings. Her stories often explore human psychology and social settings, making mysteries relatable and engaging.


Christie’s influence is seen in the countless crime novels following her work, inspiring writers to focus on puzzle-like mysteries with strong character development.



cover of agatha christie's murder at the vicarage
The first Miss Marple book, 1930

  1. Dorothy L. Sayers: The Intellectual Detective


Dorothy L. Sayers (1893 - 1957) brings a literary and philosophical depth to crime fiction. Her writing style combines sharp dialogue, detailed settings, and complex moral questions. Sayers’ detective, Lord Peter Wimsey, is a gentleman with a keen intellect and a strong sense of justice.


  • Notable works: Whose Body?, Gaudy Night, The Nine Tailors

  • Contribution: Sayers elevates the genre by blending mystery with social commentary and psychological insight. She challenges the notion that crime fiction was mere entertainment, showing it could also explore ethical dilemmas and human nature.


Her work encourages future writers to create more nuanced characters and thoughtful plots beyond simple puzzles.




  1. Patricia Highsmith: Master of Psychological Suspense


The writing style of Patricia Highsmith (1921-1995) is dark, tense, and deeply psychological. She focuses less on the traditional detective story and more on the minds of criminals and antiheroes. Highsmith’s narratives often blur the lines between good and evil, creating morally ambiguous characters.


  • Notable works: Strangers on a Train, The Talented Mr. Ripley, Ripley Under Ground

  • Contribution: Highsmith introduces psychological complexity and suspense into crime fiction. Her exploration of identity, guilt, and obsession influence the thriller subgenre and inspire many modern crime writers.


Her stories reveal the inner workings of criminal minds, making readers question morality and justice.



Cover of The Talented Mr. Ripley (1955) Patricia Highsmith
Cover of "The Talented Mr. Ripley" 1955

  1. Ngaio Marsh: The Theatrical Detective


Ngaio Marsh (1895 - 1982) combines her love of theater with crime writing, creating mysteries rich in atmosphere and character. Her detective, Inspector Roderick Alleyn, solves crimes with intelligence and charm. Marsh’s writing style is elegant and detailed, often incorporating elements of drama and art.


  • Notable works: A Man Lay Dead, Death in a White Tie, Vintage Murder

  • Contribution: Marsh brings a unique flair to the genre by blending theatrical settings and artistic themes with classic detective work. Her novels often explore social class and cultural life, adding depth to the mystery.


Her influence helps broaden the settings and themes crime fiction can explore, making stories more vivid and culturally rich.




  1. Margery Allingham: The Complex Puzzle Maker


The writing of Margery Allingham (1904 - 1966) is known for its intricate plots and well-drawn characters. Her detective, Albert Campion, is a mysterious figure with a mix of wit and seriousness. Allingham’s style balances suspense with humor and social observation.


  • Notable works: The Tiger in the Smoke, Police at the Funeral, Sweet Danger

  • Contribution: Allingham pushes the boundaries of the traditional detective story by adding psychological depth and unpredictable twists. Her work influences the development of more layered and character-driven mysteries.


She shows crime fiction can be both intellectually challenging and emotionally engaging.



The Tiger in the Smoke by Margery Allingham, cover, 1952
Cover of The Tiger in the Smoke (1952, UK)

  1. P.D. James: The Modern Classicist


P.D. James (1920 - 2014) combines traditional detective storytelling with modern themes and complex characters. Her writing style is polished and atmospheric, often exploring the darker sides of human nature and society. James’ detective, Adam Dalgliesh, is a poet and police officer, blending intellect with empathy.


  • Notable works: Cover Her Face, The Black Tower, Death of an Expert Witness

  • Contribution: James revitalizes the classic detective novel for contemporary readers. She introduces psychological realism and social critique, making crime fiction more relevant and sophisticated.


Her novels pave the way for modern mystery writers to explore deeper themes while maintaining suspense and intrigue.




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