Two men possess vital information on Russia's 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.
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