"To unmask a CIA mole, John Wells must resume his old undercover identity as an al Qaeda jihadi--and hope he can survive it--in the new cutting-edge novel from the #1 bestselling author. It is the most dangerous mission of John Wells's career. Evidence is mounting that someone high up in the CIA is doing the unthinkable--passing messages to ISIS, alerting them to planned operations. Finding out the mole's identity without alerting him, however, will...