Edgar Wallace is a famous English writer, poet, playwright and historian. At the beginning of the 20th century, he conquered the whole world with his detective stories. His books were considered sophisticated and highly intelligent. Later, the detective stories of the famous novelist were not published for a long time. They became a bibliographic rarity, passed down from generation to generation.The novels The Thames Hotel and The Mystery of the Pin are set in early 20th-century London. A wave of daring robberies committed by an international gang, and the mysterious murder of a millionaire in his own home - solving these crimes is incredibly difficult also because every time a woman gets in the way of the investigation.