- The Morgans, William W. Johnstone and J.A. Johnstone
- Bloody sunday, William W. Johnstone
- Forty times a killer, a novel of John Wesley Hardin, William W. Johnstone with J.A. Johnstone
- Terror of the mountain man, William W. Johnstone and J. A. Johnstone
- Shot in the back, William W. Johnstone ; with J.A. Jonhstone
- Vengeance of the mountain man, William W. Johnstone
- A time to slaughter, William W. Johnstone with J.A. Johnstone
- Avenger
- Luke Jensen, Bounty Hunter, Bad Men Die, William W. Johnstone with J.A. Johnstone
- Bleeding texas, William W. Johnstone with J.A. Johnstone
- Die by the gun, William W. Johnstone with J.A. Johnstone
- Eyes of eagles
- Frontier of violence, William W. Johnstone with J.A. Johnstone
- Monahan's massacre, William W. Johnstone with J.A. Johnstone
- Rage of the mountain man, betrayal of the mountain man, William W. Johnstone with J.A. Johnstone
- Right between the eyes, William W. Johnstone with J.A. Johnstone
- Blood bond, William W. Johnstone, #7
- The Uninvited, William W. Johnstone
- Bullets don't argue, William W. Johnstone with J. A. Johnstone
- Flintlock, William W. Johnstone with J.A. Johnstone
- Sixkiller, U.S. Marshal, William W. Johnstone with J.A. Johnstone
- Flintlock, William W. Johnstone with J.A. Johnstone
- Invasion USA, William W. Johnstone with Fred Austin
- Flintlock, William W. Johnstone with J.A. Johnstone
- A Colorado Christmas, William W. Johnstone with J. A. Johnstone
- A town called Fury, William W. Johnstone
- An Arizona Christmas, William W. Johnstone with J.A. Johnstone
- Dead man walking, William W. Johnstone and J.A. Johnstone
- Dreams of eagles, William W. Johnstone
- Hell's Half Acre, William W. Johnstone with J.A. Johnstone
- Powder burn, William W. Johnstone with J.A. Johnstone
- Remember the Alamo, William W. Johnstone with J.A. Johnstone
- Smoke from the ashes, William W. Johnstone
- Trigger warning, William W. Johnstone ; with J.A. Johnstone
- Twelve dead men, William W. Johnstone with J.A. Johnstone
- Blood, Guts, and Glory, Smoke Jensen, American Legend
- Die with the outlaws, William W. Johnstone and J.A. Johnstone
- Sons of Thunder, Slash and Pecos Series, Book 5, William W. Johnstone
- Cruel winter of the mountain man, William W. Johnstone and J.A. Johnstone
- The devil's heart, by William W. Johnstone
- The devil's kiss, by William W. Johnstone
- Those Jensen boys!, William W. Johnstone with J. A. Johnstone
- A Texas Hill Country Christmas, William W. Johnstone with J. A. Johnstone
- Bloodshed of the mountain man, William W. Johnstone with J.A. Johnstone
- Black Friday, William W. Johnstone with J.A. Johnstone
- Buckhorn, William W. Johnstone with J.A. Johnstone
- Cheyenne challenge, William W. Johnstone
- Death in the ashes, William W. Johnstone
- Buckhorn, paid in blood, William W. Johnstone with J.A. Johnstone
- Scream of eagles, William W. Johnstone