Four years ago, Court Gentry was betrayed by his handlers in the CIA. To survive, he had 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 to haunt him, his own life is put in the crosshairs.

The man wants Court to complete a mission, with one crucial catch to his orders: Instead of a...

Court Gentry has always prided himself on his ability to disappear at will, to fly below the radar and exist in the shadows--to survive as the near-mythical Gray Man. But when he takes revenge upon a former employer who betrayed him, he exposes himself to something he's never had to face before: a killer who is just like him.

Code-named Dead Eye, Russell Whitlock is a graduate of the same ultra-secret Autonomous...