The Great Train Mystery

Prelude
The interest aroused by the public by what had been known as the "Great Train Mystery", has now somewhat subsided. Nevertheless, there was still some interest in what had been such a great world-wide case, that took some time to solve. My friend, Monsieur Chanteau and the other people who were involved in the "mystery" asked me to write an account of the whole story.
I, Mr. Lavendish, will therefore explain what happened on the night of December 16, 1954 on the Orient Express, on its weekly journey from Istanbul to Calais.
…