Black Tower: The Raven Conspiracy #2

Daniel Burroughs, a young American CIA trainee, is acclimating to his new London lifestyle ... but it's not easy to get used to his strange new coworkers at Black Tower. His boss is getting buddy-buddy with the Russians, his colleague is a witch who's sleeping with a demon, and there's an assassin circling their sorcerous spy agency ... one who can slip in and out of his targets' dreams!