Royal Blood (Her Royal Spyness #4)

The Royal Spyness series continues with an all-new mystery of "the British monarchy...a wedding in Transylvania...[and] wonderful characters." (#1 "New York Times" bestselling author Charlaine Harris).
Penniless and thirty-fourth in line to the throne, Lady Georgiana Rannoch finds herself in a truly draining state of affairs. To escape her hateful brother, Georgie accepts an invitation from the Queen to represent the royals at a wedding in Transylvania. But at the macabre- looking castle, Georgie finds the bride with blood running down her chin, and a wedding guest is poisoned. Now it's up to Georgie to save the nuptial festivities before the couple's vows become: to love and to cherish, till "undeath" do them part...