Two men possess vital information on Russias Star Wars missile defense system. One of them is CARDINAL--America's highest agent in the Kremlin--and he's about to be terminated by the KGB. The other one is the American who can save CARDINAL and lead the world to the brink of peace ... or war. Here is author Tom Clancy's heart-stopping masterpiece--a riveting novel about one of the most intriguing issues of our time.