The Mystery of the Blue Train: Hercule Poirot Investigates (Hercule Poirot series Book 6) by Agatha Christie (Paperback)

Robbery and brutal murder aboard a luxury transport ensnares the ever-attentive Hercule Poirot in The Mystery of the Blue Train, from Queen of Mystery Agatha Christie

When the luxurious Blue Train arrives at Nice, a guard attempts to wake serene Ruth Kettering from her slumbers. But she will never wake again—for a heavy blow has killed her, disfiguring her features almost beyond recognition. What is more, her precious rubies are missing.