The Mystery of the Blue Train takes readers on a thrilling journey aboard Le Train Bleu, where Hercule Poirot becomes entangled in a complex case involving the murder of heiress Ruth Kettering and the theft of a priceless ruby. The web of intrigue deepens with a diverse cast of characters, including Ruth's unhappy marriage, a secret lover, and a possible jewel thief. Poirot's meticulous investigation unveils layers of deceit, leading to a dramatic recreation of the crime to unmask the cunning culprit.
The Mystery of the Blue Train showcases Christie's mastery in expanding her intriguing plots, while also establishing the fictional village of St Mary Mead, laying groundwork for future stories including Miss Marple. In 1926, the loss of her mother, her husband's betrayal, and her own mysterious disappearance profoundly affected Agatha Christie. Despite this, the novel's intricate plot and memorable characters contribute to its enduring popularity and its role in shaping the genre

This case laminate collector's edition includes a Victorian inspired dust-jacket.