Celia Graves was once an ordinary human, but those days are long gone. Now she strives to maintain her sanity and her soul while juggling both vampire abilities and the powers of a Siren.   Not every bride needs a bridesmaid who can double as a bodyguard. But Celia's cousin Adriana is no ordinary bride: she's a Siren princess, and she's marrying the king of a small but politically important Eur...