The Sum of All Fears is a political thriller novel, written by Tom Clancy and released on August 14, 1991, as the sequel to Clear and Present Danger. The main character Jack Ryan, who is now the Deput

The Cardinal of the Kremlin is a spy thriller novel, written by Tom Clancy and released on May 20, 1988. A direct sequel to The Hunt for Red October, it features CIA analyst Jack Ryan as he must extra