Book excerpt: "Pursued across the globe by ruthless National Security Agency operatives, David and Rachel struggle to piece together the truth behind Project Trinity and the enormous power it could unleash upon the world. As constant danger deepens their intimacy, Rachel realizes the key to Trinity lies buried in David's disturbed mind. But Trinity's clock is ticking ..." "Mankind is being held hostage by a machine that cannot be destroyed. Its only hope - a terrifying chess game between David and the Trinity computer, with the cities of the world as pawns. But what are the rules? How human is the machine? Can one man and woman change the course of history? Man's future hangs in the balance, and the price of failure is extinction."--BOOK JACKET.