Chelsea Quinn Yarbro's immortal vampire, the Comte de Saint-Germain, is one of the most popular characters of his kind ever created. Publishers Weekly has called him a "veritable Prince Charming of the darker arts."

In Darker Jewels the Count is sent by the King Of Poland to the court of Russia's Ivan IV, to use his alchemical skills to craft unearthly gems for the mad emperor. there he finds not only dark intrigue and heart-stopping danger, but a breathtakingly beautiful woman to whom he loses his heart.