Hercule Poirot is back in one of Agatha Christie's most captivating mysteries. On the luxurious Blue Train traveling from Calais to the French Riviera, a wealthy American heiress is brutally murdered. Amidst the glamour, deceit, and hidden motives of the passengers, Poirot must unravel the tangled web of secrets and lies to uncover the killer. A timeless whodunit that combines suspense, brilliant deduction, and Christie’s signature wit.