Masks and Shadows Series by Stephanie Burgis

The year is 1779, and Carlo Morelli, the most renowned castrato singer in Europe, has been invited as an honored guest to Eszterháza Palace. With Carlo in Prince Nikolaus Esterházy's carriage, ride a Prussian spy and one of the most notorious alchemists in the Habsburg Empire. Already at Eszterháza is Charlotte von Steinbeck, the very proper sister of Prince Nikolaus's mistress. Charlotte has retreated to the countryside to mourn her husband's death... moreThe year is 1779, and Carlo Morelli, the most renowned castrato singer in Europe, has been invited as an honored guest to Eszterháza Palace. With Carlo in Prince Nikolaus Esterházy's carriage, ride a Prussian spy and one of the most notorious alchemists in the Habsburg Empire. Already at Eszterháza is Charlotte von Steinbeck, the very proper sister of Prince Nikolaus's mistress. Charlotte has retreated to the countryside to mourn her husband's death. Now, she must overcome the ingrained rules of her society in order to uncover the dangerous secrets lurking within the palace's golden walls. Music, magic, and blackmail mingle in a plot to assassinate the Habsburg Emperor and Empress--a plot that can only be stopped if Carlo and Charlotte can see through the masks worn by everyone they meet.From the Trade Paperback edition. less

It's been eighteen months since Baroness Charlotte von Steinbeck stepped into a carriage with the most famous castrato singer in Europe, leaving her family and her reputation behind for the sake of true love. What she and Carlo found waiting for them at the end of their first journey, though, was nothing like what they had hoped. Now they're hoping to begin a new life together in cosmopolitan London.. moreIt's been eighteen months since Baroness Charlotte von Steinbeck stepped into a carriage with the most famous castrato singer in Europe, leaving her family and her reputation behind for the sake of true love. What she and Carlo found waiting for them at the end of their first journey, though, was nothing like what they had hoped. Now they're hoping to begin a new life together in cosmopolitan London...but will they really be able to continue their forbidden duet, or will society's disapproval doom them forever?**IMPORTANT NOTE: This short story does NOT stand alone. It follows on from the novel Masks and Shadows, which should definitely be read first.** less