The world has entered a second nuclear age. For the first time since the end of the Cold War, the threat of nuclear annihilation is on the rise. Should such an assault occur, there is a strong likelihood that the trail of devastation will lead back to Abdul Qadeer Khan, the Pakistani father of the Islamic bomb and the mastermind behind a vast clandestine enterprise that has sold nuclear secrets to Iran , North Korea , and Libya . Khan's loose-knit...