From Mark Greaney, the New York Times bestselling author of Gunmetal Gray and a co-author of Tom Clancy\'s Jack Ryan novels, comes a high-stakes thriller featuring the world\'s most dangerous assassin: the Gray Man.Court Gentry\'s flight on a CIA transport plane is interrupted when a security team brings a hooded man aboard. They want to kick Gentry off the flight but are overruled by CIA headquarters. The mystery man is being transported to England where a joint CIA/MI6 team will interrogate him about a mole in Langley.When they land in an isolated airbase in the UK, they are attacked by a...