Hawk

Gray man: When the shadow becomes the hunter

The gray man is on the run. This time from someone who looks dangerously like him. Court Gentry, the former elite CIA operative known as the Grey Man, has always been a master of the art of disappearing. It moves in the shadows where only the fittest survive. But when he decides to take revenge on a former employer who betrayed him, he comes out of hiding - and attracts the attention of someone he's never met before.
Russell Whitlock, nicknamed the Hawk, is like Gentry's mirror image. A graduate of the same secret program that made both men perfect killing machines. But unlike Gentry, Whitlock answers to no one - and he's been tasked with eliminating Gentry.
Hawk knows how Gentry thinks. He knows how he moves. He knows how to kill. And he knows that the most effective way to get him is to make him run - until there's nowhere left to go.