A legendary CIA agent is called out of retirement to combat an unknown enemy in this sweeping international spy thriller. Second Sight is the seventh thriller in the critically acclaimed series that follows CIA Agent Paul Christopher—a man ensnared by a line of work that never failed to exert its insidious influence outside professional boundaries. Now retired and living the quiet life as a loving husband in Washington, D.C., Christopher has survived battlefields of World War II, undercover Cold War killing grounds, and imprisonment in China. But now, throughout the Arab world, U.S. agents are being kidnapped and brain-drained by an unidentified enemy armed with a diabolical new drug. Christopher's old friend and superior in "the Outfit" calls with a command he feels he must obey. But what begins for Christopher as a global manhunt swiftly turns into something far closer to home. For the key to the danger he must defuse is a secret buried deep in his own perilous past.