A New York Times BestsellerDr. David Tennant, appointed by the president as ethicist to Project Trinity, finds himself working with America"s top scientists to attain the holy grail of the twenty-first century -- a supercomputer that surpasses the power of the human mind. With the discovery that the genius who runs Project Trinity is responsible for the death of his friend and fellow scientist and that his own life is in danger, David turns to Rachel Weiss, the psychiatrist probing the nightmares that plague him. Together David and Rachel struggle to piece together the truth behind Project Trinity while being pursued around the globe by ruthless National Security Agency operatives. Mankind"s only hope is a terrifying chess game between David and the computer, with the cities of the world as pawns. The future of the world hangs in the balance and the price of failure is extinction. Rachel comes to realize that the key to defeating Trinity lies deep in David"s disturbed mind, but Trinity"s clock is ticking.