Shadow's Fall: Penguin Publishing Group

For three years, Miranda Grey-Solomon has kept her role as Vampire Queen of the South separate from her Grammy-winning music career. But now, her dual lives are starting to collide, threatening everything Miranda and David, her Prime, have worked for.
The entire Signet Council has descended upon Austin for its ten-year summit, bringing with it Prime James Hart of the Northeast, a sworn enemy come to take his revenge on those who defied him. But Miranda and David receive an unexpected offer of help from David's sire, an ancient and powerful vampire with knowledge that may be their salvation--or their doom.