At age twenty-five, Wilkinson began writing fiction, later publishing four books. Wilkinson's books have been published by Penguin USA and the University of Texas Press. His works have met with commercial and critical distinction. Three out of his four published titles are or have been in development with major film concerns. His novel, Not Between Brothers, was optioned to NBC/Kevin Costner's Tig Productions for a television mini-series. The novel won the Violet Crown Award (Barnes & Noble/Writers League of Texas), was a "Best Novel of the West" Spur Award finalist, and selected "Editor's Choice" by the prestigious Review of Texas Books. A veteran speaker and personality, Wilkinson has either appeared or had his work featured on numerous national and regional television programs, talk shows, news casts, and radio programs, including National Public Radio (Nashville, Austin, and Tulsa) and Don Imus. His works have been reviewed or mentioned in every major Texas newspaper, plus the Los Angeles Times, Chicago Tribune, Memphis Commercial Appeal, Arkansas Gazette, and Tulsa World, among others. He has been featured in several national and regional magazines including Texas Monthly, Southern Living and True West.