This is the French adaptation of Horror on the Orient Express (2nd Edition) for Call of Cthulhu. Pagination and organisation differ from the original.
Available also in a deluxe edition that contains a few more goodies to hand out to players.
From London to the Bosphorus, a long investigation on the luxurious Orient-Express train to unveil a very dark conspiracy.
Review of Terreur sur l'Orient-Express French version of Horror on the Orient Express