The ABC Murders
In The ABC Murders by Agatha Christie, the meticulous detective Hercule Poirot is challenged by a mysterious serial killer known only as "ABC." As the killer moves from town to town, leaving victims in alphabetical order, Poirot must decipher a series of cryptic clues to prevent further murders. This classic crime novel combines suspense and cunning puzzles, showcasing Christie's brilliance in the thriller genre.