In this electrifying #1 New York Times bestselling thriller from
Tom Clancy, a silent war between the USA and Russia will decide the fate
of the world--and Jack Ryan is behind enemy lines.
Two men possess vital data 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 is the one American
who can save CARDINAL and lead the world to the brink of peace...or war.