James Grady is a renowned American writer and investigative journalist, celebrated for his contributions to the thriller, police procedural, and espionage novel genres. A proud alumnus of the University of Montana School of Journalism, Grady's professional journey embarked in 1974, a period during which he also lent his talents to United States Senator Lee Metcalf of Montana as a staff member.

His investigative journalism career flourished from 1974 to 1978, under the tutelage of the legendary muckraker Jack Anderson. Grady's literary fame skyrocketed with the publication of Six Days of the Condor, a groundbreaking work that was later adapted into the film Three Days of the Condor, starring Robert Redford, in 1975. This marked the beginning of a prolific writing career that spans over three decades, during which Grady has penned almost a dozen more novels.

In addition to his own name, James Grady has authored works under the pseudonyms James Dalton and Brit Shelby, showcasing his versatile writing style and deep understanding of the genres he navigates.