Kearby was born in Mineral Wells, Texas, and received a B.S. from North Texas State University (now the University of North Texas) in 1972. He worked in the irrigation industry for 20 years where he obtained patents 5,762,270, 5,992,760, 6,478,237, 6,155,493, 6,209,801. He taught high school English and reading for 10 years and created "The Collaborative Novella Project". The project allows future authors to go through the novel writing process from idea to published work. Kearby began novel writing in 2005 and has completed ten novels, one graphic novel, and written the afterword to the TCU Press 2010 release of western novelist's, Elmer Kelton, The Far Away Canyon.
A Hundred Miles to Water was awarded the 2011 Will Rogers Medallion Award for Best Adult Fiction.
Texas Tales Illustrated was awarded the 2012 Will Rogers Medallion for Best YA Non-Fiction.
Long Term Parking is in pre-production for filming in the fall of 2013.
In 2016, Kearby was presented the National Cowboy Museum Western Heritage Award for his graphic novel, Texas Tales Illustrated: The Trail Drives.
- The Road to a Hanging (2006)
- Ride the Desperate Trail (2007)
- Ambush at Mustang Canyon (2007), 2008 Spur Award Finalist
- The Last Renegade (2009)
- The Taken (2010)
- A Hundred Miles to Water (2010), 2011 Will Rogers Medallion Award for Best Adult Fiction
- Dead Man's Saddle (2011)
- The 13th Baktun (2008)
- Men of Color (2012)
- The Resonance (2011)
- The Devouring~Kavachi's Rise (2012)
- The Far Canyon (2010), Kearby wrote the Afterword for the Elmer Kelton TCU Press reprint
- Long Term Parking (2012) Co-written with Paul Bright
- Men of Color (2012)
- Dromgoole, Glenn (18 September 2011). "Tale of two brothers similar to Kelton's book". Lubbock Avalanche-Journal.
- Cannon, Karl R. (8 December 2002). "Utah inventors obtain 20 patents". Deseret News.
- http://www.swco.ttu.edu/Reference/Collections/ReferenceList/Pages/refk.htm Texas Tech University Southwest Collection
- Authors Den. "Western Author wants kids to read about Texas -"Just for the Fun of It."". Authors Dent. Retrieved 6 October 2011.
- Texas State Historical Association (October 2010). "Southwestern Collection". Southwestern Historical Quarterly. 114: 181–197.
- Cox, Mike. "Texas authors winners/finalists for Spur Awards". Lone Star Book Blog. Retrieved 6 October 2011.
- http://www.abilenetx.com/apl/bookfest_pubs.html West Texas Book & Music Festival, 2010
- Cowboy Poetry, 2012 Will Rogers Medallion Award, http://www.cowboypoetry.com/willrogers.htm#2012
- Hill Country Film Festival, HCFF Awards: 2013 Award Winners, "Archived copy". Archived from the original on 2014-08-11. Retrieved 2014-08-16.
- Los Angeles Movie Awards, LAMA 2013 Winners, http://thelamovieawards.com/2013_Winners.html
- International Indie Gathering Film Festival: 2013 Winners, http://theindiegathering.com/page3.php
- Long Term Parking: About, http://longtermparkingmovie.com/about/
- The Will Rogers Medallion Award Committee. "2011 Will Rogers Medallion Award Winners". The Will Rogers Medallion Award Committee. Retrieved 6 October 2011.
- TCU Press. "Spring 2011 Titles". TCU Press. Retrieved 6 October 2011.