In the Fog - by Richard Harding Davis's The Affair at the Hotel Semiramis - by A.E.W. Mason Hearts and Masks - Harold MacGrath Three wonderful tales of mystery from some of the best known writers of the period before the First World War -- A foggy London night, a Russian princess who steals jewels, a corpse; A mysterious murder, an opera singer, and stolen pearls; Two young people who crash a masked ball only to find themselves caught up in a daring theft of jewels; These are the subjects of this collection of entertaining tales of love, jewels, and mystery.