On TargetBy: Mark Greaney Series: Gray Man The killer second Gray Man thriller by number one New York Times bestseller Mark Greaney sees the past catching up with Court Gentry with fatal results. Four years ago, Court Gentry was betrayed by his handlers in the CIA. To survive, he has to eliminate his own brothers in arms. Now, as a master assassin known as the Gray Man, he makes his living killing other people. But when an old comrade he thought dead returns