Often considered a sub-genre of the crime and mystery genres, the whodunit play is a thrilling plot-driven detective story. Suspenseful throughout, the aim of a whodunit is to discover who committed the murder? British novelist Agatha Christie’s play The Mousetrap has been running continuously in London’s West End theatres since 1952, making it the longest first run of any play in history. – Justin Cash


Entry on Agatha Christie’s play The Mousetrap, a hugely successful whodunit that is the longest running play in history.


A comprehensive ranking of nearly 300 of the world’s best whodunit movies, from the deadly serious to the humorous.


Concise explanation of the whodunit genre, including its key components.


Entry on the whodunit genre outlining the concept, history of the genre, and a long list of literary and artistic works belonging to this form.


Useful article outlining the “10 Essential Elements of a Mystery Story.

TV Tropes

Interesting article explaining the “reverse whodunit” genre.

Jasper 52

Useful article examining “5 Masters of the Whodunit”: Edgar Allan Poe, Sir Arthur Conan Doyle (Sherlock Holmes), Agatha Christie, Raymond Chandler and Erle Stanley Gardner.

The Book Genre Dictionary

Brief definition of the genre with a useful list of 25 classic literary whodunit examples.