Savage Things (Savage Things #7)

It’s Cain versus Abel in a showdown for the salvation of New York City. The cat-and-mouse chase comes to its crescendo as the two killers come face to face. But who will have the edge? The Black Forest program trained them both to be ruthless assassins, but after all these years out of the game, Abel may have gone soft. Then again, Cain may have given his rival more reason to fight than he even knows.