The books of Georges Simenon are known throughout the world. In terms of the number of translations, he shares first place with Hugo and Jules Verne. A master of the detective story, an incredibly prolific writer (more than 400 published works!), creator of one of the most charming detectives of the 20th century - Commissioner Maigret. This edition includes two famous detective novels by Simenon. The hero of the novel “Train from Venice” Justine Kalmar returns after a vacation from Venice to Paris. On the train, he meets a mysterious fellow traveler and agrees, at his request, to pick up his suitcase from the storage room at the station and take it to a certain address. As a result of a combination of mysterious circumstances, a large sum ends up in his hands... In the novel “Unknown in the House,” a lawyer investigates a murder that occurred in his own home, where, as he soon learns, a strange group of young people regularly gathered.