Agatha Christie, the Queen of Mystery, left an indelible mark on literature with her meticulous plots and iconic characters like Hercule Poirot and Miss Marple. Her 66 detective novels, 14 short story collections, and enduring legacy as the best-selling fiction author of all time have captivated readers worldwide. Christie's ability to craft suspenseful puzzles and explore the darker facets of human nature ensures her place as a literary legend for generations to come.