Tom Clancy's Net Force. Changing of the Guard

A new century. New superpowers. A new breed of security. Though the head of a major multinational corporation - and a key player in world affairs - Samuel Walker Cox has a past that few people know about. But that group is about to get bigger. A computer disk has fallen into the hands of the Net Force, outing the powerful American businessman as a former Russian spy. Cox is willing to see the world in ruins to protect his name. Lucky for the United States that Net Force is on the job - and is about to prove that no man is above the law . . .