From Mark Greaney , the New York Times bestselling author of Mission Critical and a co-author of Tom Clancy\'s Jack Ryan novels, comes another high-stakes thriller featuring the world\'s most dangerous assassin: the Gray Man..
From Mark Greaney , the New York Times bestselling author of Mission Critical and a co-author of Tom Clancy\'s Jack Ryan novels, comes another high-stakes thriller featuring the world\'s most dangerous assassin: the Gray Man.