Agatha Christie bibliography Agatha Christie bibliography Agatha Christie (1890–1976) was an English crime novelist, short-story writer and playwright. Although she wrote six romance novels under the pseudonym Mary Westmacott, her reputation rests on the 66 detective novels and 14 short-story collections that she wrote under her own name, which have sold over two billion copies—an amount only surpassed by the Bible and the works of William Shakespeare. Her works contain several regular characters with whom the public became familiar, including Hercule Poirot, Miss Marple, Tommy and Tuppence Beresford, Parker Pyne and Harley Quin. Christie wrote more Poirot stories than any of the others,
Agatha Christie's fictional universe after Agatha Christie died, are included in the lists. Her novels under the pen name Mary Westmacott and her nonfiction books are not covered in this article. One notable example of characters from one novel appearing in another is the novel "The Pale Horse", which features Ariadne Oliver, Major Despard and his wife Rhoda (all had previously appeared on "Cards on the Table") and Mrs Dane Calthrop (from "The Moving Finger"). Outside of stories by Christie herself, adaptations of her works have also featured crossovers: Agatha Christie's fictional universe In Agatha Christie's mystery novels, several characters cross over different sagas,