Locked OnJack Ryan, Tom Clancy's greatest character, returns in a thriller ripped from tomorrow's headlines The Ryans father and son are fighting on two fronts . . . When a deadly terrorist alliance creates the potential to blackmail any world power into submission, it's got to be stopped before it is too late. That's just the trigger Jack Ryan Jr needs to take his work for shadowy intelligence agency the Campus from the back room to the sharp end black ops.