The Count's Millions

The Counts Millions by Émile Gaboriau Classic French mystery novel, in English translation. According to Wikipedia: "Émile Gaboriau (November 9, 1832 – September 28, 1873) was a French writer, novelist, journalist, and a pioneer of detective fiction... after publishing some novels and miscellaneous writings, found his real gift in LAffaire Lerouge (1866).