Andrew Lauriston, a struggling young Scottish writer in London, pawns his last valuable at a little London shop where a pretty girl helps behind the counter. Soon afterwards the old pawnbroker is found dead, an orange-yellow diamond has vanished, and Lauriston is drawn into an inquest, a mysterious Spanish manuscript and a hunt that touches a Member of Parliament.
A characteristic puzzle from one of the most prolific British mystery writers of the 1920s. Download the free EPUB.