Agatha Christie remains one of the most consequential figures in English-language literature, having outsold all fiction writers except Shakespeare and the Bible. Her prolific body of work—spanning six decades and translated into numerous languages—has fundamentally shaped the mystery genre and established her as the most widely translated author in history.

An article examining her most significant works identifies ten books that exemplify her mastery of detective fiction and narrative innovation. These selections include novels featuring her best-known characters—the Belgian detective Hercule Poirot and the shrewd amateur sleuth Miss Marple—alongside lesser-known protagonists such as Colonel Race. The featured books demonstrate Christie's distinctive approach to plot construction and her strategic use of multiple narrative perspectives to create psychologically complex mysteries.