Musaicum Books presents to you this unique collection, designed and formatted to the highest digital standards and adjusted for readability on all devices. Joseph Muller, Secret Service detective of the Imperial Austrian police, is one of the great experts in his profession. In personality he differs greatly from other famous detectives like Sherlock Holmes and Monsieur Lecoq. Muller is a small, slight, plain-looking man, of indefinite age, and of modest disposition but his methods of detection are no less than any of his contemporaries!Contents:The Case of the Pocket Diary Found in the SnowThe Case of the Golden BulletThe Case of the Registered LetterThe Case of the Lamp That Went OutThe Case of the Pool of Blood in the Pastor's Study