From Mark Greaney, the #1 New York Times bestselling author of Tom Clancy True Faith and Allegiance , comes this explosive thriller featuring the lethal assassin known as the Gray Man... Five years ago, Court Gentry was the CIA's best covert asset. Then, without warning, the Agency put him at the top of its kill list. Court fled his country and became the enigmatic Gray Man. Now Court plans to find out what went wrong by getting his hands on the men who sent him on his last mission, Operation BACK BLAST. What he doesn't realize is that questions from his time as an American assassin are still reverberating in the U.S. intelligence community, and he's stumbled onto a secret that powerful people want kept under wraps. The result: everyone has Court in their crosshairs...