Murder on the Orient Express

Murder on the Orient Express (1934) is considered the most mysterious and virtuosic work of Agatha Christie.
The action of the novel takes place on the Trans-European Express, traveling from Istanbul to Calais. Caught in a heavy snowstorm, the engineer is forced to stop the train in an open field. Thus, everyone finds themselves snowbound, while in one of the compartments the body of a murdered passenger is discovered. Hercule Poirot takes on the investigation of this murder.