The Gray Man by Mark Greaney

Greaney regurgitates good bits from lots of modern spy thrillers but the net result is stiff and underwhelming. I'd try another of his books as this was his first and maybe he'll get a groove. PW: Greaney's debut novel - and future feature film - introduces the enigmatic and elusive Court Gentry, a former CIA operative and a legendary hired gun. With a terrifying ability to vaporize targets and a strict moral code, he stalks the gray margins of the world, moving silently from job to job, accomplishing the impossible, then fading away. When his government and former employers turn on him, there is no safehouse to run to, no way to lie low. In a constant state of escape and pursuit, Gentry tears through the Middle East and Europe in a riveting life-or-death race against time.