Murder on the Orient Express is a classic cozy antique mystery book written by Agatha Christie. Set aboard the luxurious Orient Express train, the story revolves around the murder of a wealthy passenger. As the train is stranded due to a snowstorm, detective Hercule Poirot must unravel the clues and identify the killer among the passengers. With its intricate plot, clever twists, and memorable characters, this book is a must-read for fans of cozy mysteries and antique settings.