Step aboard the luxurious Blue Train for one of Agatha Christie's most intriguing mysteries in The Mystery of the Blue Train. When a wealthy young heiress is found murdered during a glamorous journey to the French Riviera, a priceless ruby vanishes without a trace. As secrets, jealousy, and betrayal come to light, the brilliant detective Hercule Poirot is called upon to solve the case. Filled with suspense, unforgettable characters, and surprising twists, The Mystery of the Blue Train is a classic detective story that will keep readers captivated until the very end. Perfect for fans of mystery, crime fiction, and timeless whodunits.