Book excerpt: New York Times bestselling creators GREG RUCKA and NICOLA SCOTT return with their chilling witchcraft cop saga, BLACK MAGICK! The walls separating Detective Rowan Black's worlds of witchcraft and police work have begun to crumble, and the forces targeting her are now revealed. But what they want, why they want it, and what they'll do to get it will impact more than Rowan alone. As the occult and infernal collide, those closest to Rowan may find themselves consumed as Rowan herself comes to embrace her power. Collects BLACK MAGICK #12-16