The Case of the Registered Letter

In "The Case of the Registered Letter," Auguste Groner crafts a tantalizing mystery that showcases his mastery of detective fiction, a genre popular in the late 19th century. The narrative unfolds through the lens of the astute investigator, Joseph Müller, who unravels a perplexing case involving a missing registered letter that holds crucial evidence in a murder trial. Groner employs a meticulou...