Agatha Christie—the unrivaled Queen of Mystery—has been delighting readers with her ingenious plots and unforgettable characters for many years. With more than 70 works, Christie’s work has truly stood the test of time. Her mastery of creating complex mysteries and keeping readers guessing until the end is a mark of her genius. In this article, we’ll explore several of the best books by Agatha Christie, organized by her early, middle, and late career works, and highlight her most iconic characters: Hercule Poirot and Miss Marple. Let’s get started!