Camera Obscura (A Novel of Shadows)

For as long as Rose can remember, she's been an assassin for the Order of Shadows-those who act as judge, jury, and executioner for the supernatural. She's a highly trained assassin; an expert in subterfuge, manipulation, and firearms-which doesn't exactly make for the best bedside manner when she's not on the clock. But when Vampires kill nearly every member of House Sterling, Rose finds herself forced to turn from a killer into protector and detective.