. "Fiction" . . . . . . . "When an American submarine and a Pershing missile vanish, a maverick C.I.A. agent must chase and catch a ruthless K.G.B. assassin before terrorism can strike at the balance of power."@en . . . . . . . . . . . "C.I.A. agent Kirk McGarvey tracks down K.G.B. agent Arkady Kurshin, who is responsible for planning the disappearance of a U.S. submarine and the hijacking of a Pershing missile from a U.S. Air Force base. $" . . . . "Countdown"@en . "Countdown" . . . . . . . . . "Sound cassettes." . .