The Strangers in the House - Georges Simenon

''Quite simply a masterpiece'' John Banville''I''ve just found a stranger in my house. In a bed on the second floor. He was dying when I got there. You''re going to have to deal with it''Hector Loursat has been a drunken recluse since his wife left him eighteen years ago. Shut away in his dilapidated mansion in the small town of Moulins, he barely speaks to his daughter. But when the sound of a gunshot penetrates the padded walls of his study one night, and he discovers a body, Loursat is forced to act. No longer able to ignore the world, he determines to get to the truth of what happened, and save an innocent life.