Over the course of his novels, Tom Clancy's "genius for big, compelling plots" and his "natural narrative gift" (The New York Times Magazine) have mesmerized tens of millions of readers—more than 42 million of his books are in print in the United States alone—and established him as one of the preeminent storytellers of our time. Here, complete and unabridged, are three of his best: heart-stopping classics of action, suspense, and the exceptional realism that is his hallmark. PATRIOT GAMES: When Jack Ryan breaks up a terrorist attack in London, he has no idea that he has just saved the lives of the Prince and Princess of Wales. However, he has also gained the enmity of the Ulster Liberation Army, an ultra-left-wing splinter group of the IRA—and soon it is Ryan himself who is their target. CLEAR AND PRESENT DANGER: Colombian drug lords assassinate three high American officials, and the United States decides to take the fight to the enemy. But does anyone know who the real enemy is, and which lines cannot be crossed? Jack Ryan and his field operative, Mr. Clark, must find out, little realizing that though there will be danger from without, the danger from within will be the greatest of all. THE SUM OF ALL FEARS: With one terrible act, the world is plunged into an instant nuclear crisis, and a floundering president into the ultimate nightmare. As nations stand on the brink of war, Ryan and his FBI counterpart frantically seek a solution before the chiefs of state lose control of themselves—and the world.