Product Description (taken from here):
Dorina Basarab is a dhampir-half-human, half-vampire. Back home in Brooklyn after the demise of her insane Uncle Dracula, Dory's hoping her life is about to calm down. But soon Dory realizes someone is killing vampire Senate members, and if she can't stop the murderer, her friends may be next...
Death's Mistress by Karen Chance
Dorina Basarab Series
Penguin Group (USA)
Jan. 5, 2010