The Clue Agatha Christie's book "Murder on the ____ Express"
The Answer ORIENT
The answer "Orient" fits the crossword clue because it is the name of the train in Agatha Christie's famous book "Murder on the Orient Express." The story takes place on this luxurious train traveling through Europe. The title is well-known, making "Orient" a good fit for the clue. It captures the essence of the book and its setting perfectly.