The superpower arms negotiations appear to be making progress. But a US spy satellite reveals that the Soviets are building a massive laser-defence system controlled from an other-worldly array of pillars and domes in the Soviet hills at Dushanbe near the border of war-torn Afghanistan.

The Americans need more information. The man to give it is Colonel Mikhail Filitov of the Soviet Union, codename Cardinal, America's highest-placed agent in the Kremlin. But Filitov's cover is about to be betrayed to the KGB, and CIA adviser Jack Ryan must rescue Filitov and bring him to safety�

Since the publication of The Hunt for Red October, Tom Clancy has established an unrivalled position as the world�s leading thriller writer, with a string of million-selling novels and three major Hollywood films to his name. He is also the author of SSN and the non-fiction books Submarine, Armoured Warfare, Fighter Wing and Marine, and the co-creator of the Op-Centre series.