James Grady (April 30, 1949) is the Montana born author of thriller novels. He graduated from the University of Montana School of Journalism in 1974. During college, he worked for United States Senator Lee Metcalf of Montana. Best known as the author of Six Days of the Condor, which was famously adapted to film as Three Days of the Condor starring Robert Redford. Father of Rachel Grady, director of the acclaimed documentary Jesus Camp.