The Harlequin ~ Laurell Hamilton

This is the fifteenth book in the Anita Blake series. Anita's life is actually working for her. She is living with 2 men, and dating several others as well. When the master who runs the Church of Eternal Life, the vampire church, sets an appointment with her, to let Jean-Claude know that he has a master hiding in his congregation. After a bit of investigation on Anita's part, it appears that the vampire Council's secret police are in town. the question is... Why???