The 4 phase man

The last man standing...At the height of the cold war, a few elite secret agents earned the title of "4 Phase Man." From Berlin to the Middle East, only two of them survived....The first man in...Once he was a man with a family and a home. Then Gerald Goldman rose through the ranks of the CIA with his ability to survive in any situation, and to kill. Now he is called Xenos, the outsider, the exile. But Xenos has just come in from the cold, searching for a missing young man and finding an astounding conspiracy to co-opt the United States government. Between a tough and beautiful U.S. congresswoman who is being forced to betray her country and a deep-cover spy who is aiming at the second-highest office in the land, Xenos finds himself at war. And standing against him is the one man as deadly as Xenos himself: the only other 4 Phase Man in the world....From the Paperback edition.