Co-authoring a collection of detective stories with Grace Isobel Colborn (1869-1948) was Auguste Groner (1850-1929). Joe Miller, a detective, served as the show's main character.Detective Joseph Muller of the Imperial Austrian police's Secret Service. He is very different from other well-known detectives in terms of personality. Muller is a small, weak, unremarkable man who exudes great humility in his temperament. The official rank of Muller is not...