Former Navy SEAL and CIA operative John Clark had the jungles of Vietnam and the sands of the Middle East behind him, risky raids into the heart of the "evil empire" during the Cold War and fights with Colombian drug lords, but he had never been so hard. At the request of his longtime friend Jack Ryan, who became president of the United States, Clark led a new international intelligence service called Rainbow, created to defeat the plague of the third millennium - international terrorism. The enemy is invisible, omnipresent and seems invincible, but John Clark is not used to retreating...