"Murder on the Orient Express" is the most famous work by the British author Agatha Christie. Published in 1934, it features her famous detective Hercule Poirot, who is called upon to solve a murder that takes place aboard the luxurious Orient Express train. The novel is known for its intricate plot, memorable characters, and surprising twists, and remains one of Christie's most beloved works. It has been adapted into numerous films, TV shows, and plays, and continues to captivate audiences around the world.