The book "The Lerouge Affair" was written by the outstanding French writer Emile Gaboriot. This is a classic detective story that tells the story of investigating and solving the mysterious murder of a young girl in a small French town. The author subtly recreates the atmosphere of a tense investigation, revealing the intrigues, conspiracies and secrets surrounding the mysterious murder. This book became one of the first realizations of the literary detective genre and remains an important work for lovers of crime stories.