Trailsman
1. Seven Ways to Die (1980)
     aka Seven Wagons West
2. The Hanging Trail (1980)
3. Mountain Man Kill (1983)
4. The Sundown Searchers (1983)
5. The River Raiders (1981)
6. Dakota Wild (1981)
8. Six Gun Drive (1981)
9. Dead Man's Saddle (1982)
10. Slavehunter (1983)
12. Condor Pass (1982)
13. Blood Chase (1982)
14. Arrowhead Territory (1983)
15. The Stalking Horse (1983)
16. Savage Showdown (1983)
17. Ride the Wild Shadow (1983)
18. Cry the Cheyenne (1983)
20. The Judas Killer (1983)
21. The Whiskey Guns (1983)
22. Border Arrows (1983)
23. The Comstock Killers (1983)
24. The Twisted Noose (1983)
25. Maverick Maiden (1984)
26. Warpaint Rifles (1984)
27. Bloody Heritage (1984)
28. Hostage Trail (1984)
29. High Mountain Guns (1984)
30. White Savage (1984)
31. Six Gun Sombreros (1984)
32. Apache Gold (1984)
33. Red River Revenge (1984)
34. Sharps Justice (1984)
35. Kiowa Kill (1984)
36. The Badge (1984)
37. Valley of Death (1985)
38. Lost Patrol (1985)
40. The Grizzly Man (1985)
41. The Range Killers (1985)
42. Renegade Command (1985)
43. Mesquite Manhunt (1985)
44. Scorpion Trail (1985)
45. Killer Caravan (1985)
46. Hell Town (1985)
47. Six-Gun Salvation (1985)
48. The White Hell Trail (1985)
49. The Swamp Slayers (1986)
50. Blood Oath (1986)
51. Sioux Captive (1986)
52. Posse from Hell (1986)
53. Longhorn Guns (1986)
54. Killer Clan (1986)
55. Thief River Showdown (1986)
56. Guns of Hungry Horse (1986)
57. Fortune Riders (1986)
58. Slaughter Express (1986)
59. Thunderhawk (1986)
60. The Wayward Lassie (1986)
61. Bullet Caravan (1987)
62. Horsethief Crossing (1987)
63. Stagecoach to Hell (1987)
64. Fargo's Woman (1987)
66. Treachery Pass (1987)
67. Manitoba Marauders (1987)
68. Trapper Rampage (1987)
69. Confederate Challenge (1987)
70. Hostage Arrows (1987)
71. Renegade Rebellion (1987)
72. Calico Kill (1987)
73. Santa Fe Slaughter (1988)
74. White Hell (1988)
75. Colorado Robber (1988)
76. Wildcat Wagon (1988)
77. Devil's Den (1988)
78. Minnesota Missionary (1988)
79. Smoky Hell Trail (1988)
80. Blood Pass (1988)
81. Twisted Trails (1988)
82. Mescalaro Mask (1988)
83. Dead Man's Forest (1988)
84. Utah Slaughter (1988)
85. Call of the White Wolf (1989)
86. Texas Hell Country (1989)
87. Brothel Bullets (1989)
88. Mexican Massacre (1989)
89. Target Conestoga (1989)
90. Mesabi Huntdown (1989)
91. Cave of Death (1989)
92. Death's Caravan (1989)
93. Texas Train (1989)
95. Cry Revenge (1989)
96. Buzzard's Gap (1989)
97. Queen's High Bid (1989)
98. Desert Desperados (1989)
99. Camp St. Lucifer (1990)
100. Riverboat Gold (1990)
101. Shoshoni Spirits (1990)
102. The Coronado Killers (1990)
103. Secret Six-Guns (1990)
104. Comanche Crossing (1990)
105. Black Hills Blood (1990)
106. Sierra Shootout (1990)
107. Gunsmoke Gulch (1990)
108. Pawnee Bargain (1990)
109. Lone Star Lightning (1990)
110. Counterfeit Cargo (1991)
111. Blood Canyon (1991)
112. The Doomsday Wagons (1991)
113. Southern Belles (1991)
114. The Tamarind Trail (1991)
115. Gold Mine Madness (1991)
116. Kansas Kill (1991)
117. Gun Valley (1991)
118. Arizona Slaughter (1991)
119. Renegade Rifles (1991)
120. Wyoming Manhunt (1991)
121. Redwood Revenge (1992)
122. Gold Fever (1992)
123. Desert Death (1992)
124. Colorado Quarry (1992)
125. Blood Prairie (1992)
126. Coins of Death (1992)
127. Nevada Warpath (1992)
128. Snake River Butcher (1992)
129. The Silver Maria (1992)
130. Montana Fire Smoke (1992)
131. Bear Town Bloodshed (1992)
132. Kentucky Colts (1992)
133. Sage River Conspiracy (1992)
134. Cougar Dawn (1993)
135. Mountain Mayhem (1993)
136. Texas Triggers (1993)
137. Moon Lake Massacre (1993)
138. Silver Fury (1993)
139. Buffalo Guns (1993)
140. The Killing Corridor (1993)
141. Tomahawk Justice (1993)
142. Golden Bullets (1993)
143. Deathblow Trail (1993)
144. Abilene Ambush (1993)
145. Cheyenne Crossfire (1994)
146. Nebraska Nightmare (1994)
147. Death Trails (1994)
148. California Quarry (1994)
149. Springfield Sharpshooters (1994)
150. Savage Guns (1994)
151. Crowheart's Revenge (1994)
152. Prairie Fire (1994)
153. Saguaro Showdown (1994)
154. Ambush at Skull Pass (1994)
155. Oklahoma Ordeal (1994)
156. The Sawdust Trail (1994)
157. Ghost Ranch Massacre (1995)
158. Texas Terror (1995)
159. North Country Guns (1995)
160. The Tornado Trail (1995)
161. Rogue River Feud (1995)
162. Revenge at Lost Creek (1995)
163. Yukon Massacre (1995)
164. Nez Perce Nightmare (1995)
165. Dakota Death House (1996)
166. Colorado Carnage (1995)
167. Black Mesa Treachery (1995)
168. Kiowa Command (1995)
169. Soccoro Slaughter (1996)
170. Utah Trackdown (1996)
171. Dead Man's River (1996)
172. Sutter's Secret (1996)
173. Washington Warpath (1996)
174. Death Valley Bloodbath (1996)
175. Betrayal at El Diablo (1996)
176. Curse of the Grizzly (1996)
177. Colorado Wolfpack (1996)
178. Apache Arrows (1996)
179. Sagebrush Skeletons (1996)
180. The Greenback Trail (1996)
181. Vengeance at Dead Man Rapids (1997)
183. Bayou Bloodbath (1997)
184. Rocky Mountain Nightmare (1997)
185. Bullet Hole Claims (1997)
186. Blue Sierra Renegades (1997)
187. Sioux War Cry (1997)
188. Mercy Manhunt (1997)
189. Missouri Massacre (1997)
190. Pecos Death (1997)
191. Target Gold (1997)
192. Durango Duel (1997)
193. Bullets and Bridles (1998)
194. Montana Stage (1998)
195. Fort Ravage Conspiracy (1998)
196. Kansas Carnage (1998)
197. Utah Uprising (1998)
198. Blackgulch Gamble (1998)
199. Wyoming Wildcats (1998)
200. Six Guns by the Sea (1998)
Wyoming Whirlwind (2001)
201. Salmon River Rage (1998)
202. Mountain Mankillers (1998)
202. The Stallion Search (1998)
203. Silver Hooves (1998)
204. The Leavenworth Express (1998)
206. Oregon Outrider (1999)
207. Chimney Rock Burial (1999)
208. Arizona Renegades (1999)
209. Timber Terror (1999)
210. The Bush League (1999)
211. Badlands Bloodbath (1999)
212. Sioux Stampede (1999)
213. Apache Wells (1999)
214. Texas Hellion (1999)
215. Duet for Six-Guns (1999)
216. High Sierra Horror (1999)
217. Dakota Deception (1999)
218. Pecos Belle Brigade (1999)
219. Arizona Silver Strike (2000)
220. Montana Gun Sharps (2000)
221. California Crusader (2000)
222. Colorado Diamond Dupe (2000)
223. Idaho Ghost Town (2000)
224. Texas Tinhorns (2000)
225. Prairie Firestorm (2000)
226. Nebraska Slaying Ground (2000)
227. Navajo Revenge (2000)
228. Wyoming War Cry (2000)
230. Flatwater Firebrand (2000)
231. Salt Lake Siren (2001)
232. Pacific Phantoms (2001)
233. Missouri Mayhem (2001)
234. Apache Duel (2001)
235. Flathead Fury (2001)
236. Denver City Gold (2001)
237. Dakota Damnation (2001)
238. Cherokee Justice (2001)
239. Comanche Battle Cry (2001)
240. Frisco Filly (2001)
241. Texas Blood Money (2001)
242. Woodland Warriors (2001)
243. West Texas Uprising (2002)
244. Pacific Polecats (2002)
245. Bloody Brazos (2002)
246. Texas Death Storm (2002)
247. Seven Devils Slaughter (2002)
248. Six-Gun Justice (2002)
249. Silver City Slayer (2002)
250. Arizona Ambush (2002)
251. Utah Uproar (2002)
252. Kansas City Swindle (2002)
253. Dead Man's Hand (2002)
254. Nebraska Gunrunners (2002)
255. Montana Madmen (2003)
256. High Country Horror (2003)
257. Colorado Cutthroats (2003)
258. Casino Carnage (2003)
259. Wyoming Wolf Pact (2003)
260. Blood Wedding (2003)
261. Desert Death Trap (2003)
262. Badland Bloodbath (2003)
263. Arkansas Assault (2003)
264. Snake River Ruins (2003)
265. Dakota Death Rattle (2003)
266. Six-Gun Scholar (2003)
267. California Casualties (2004)
268. New Mexico Nymph (2004)
270. Colorado Corpse (2004)
271. St. Louis Sinners (2004)
272. Nevada Nemesis (2004)
273. Montana Massacre (2004)
274. Nebraska Nightmare (274) (2004)
275. Ozarks Onslaught (2004) (with David Robbins)
276. The Skeleton Canyon (2004)
277. Hell's Belles (2004)
278. Mountain Manhunt (2004)
279. Death Valley Vengeance (2005)
280. Texas Tart (2005)
282. The Kansas Weapon Wolves (2005)
283. Colorado Claim Jumpers (2005)
284. Dakota Prairie Pirates (2005)
285. Salt Lake Slaughter (2005)
286. Texas Terror Trail (2005)
287. The California Camel Corps (2005)
288. Gila River Dry-Gulchers (2005)
289. Renegade Raiders (2005)
290. Mountain Mavericks (2005)
291. The Cutting Kind (2006)
292. San Francisco Showdown (2006)
293. Ozark Blood Feud (2006)
294. Oregon Outlaws (2006)
295. Oasis of Blood (2006)
296. Six-Gun Persuasion (2006)
297. South Texas Slaughter (2006)
298. Dead Man's Bounty (2006)
299. Dakota Danger (2006)
300. Backwoods Bloodbath (2006)
301. High Plains Grifters (2006)
302. Black Rock Pass (2006)
303. Terror Trackdown (2007)
304. Death Valley Demons (2007)
305. Wyoming Wipeout (2007)
306. Nebraska Night Riders (2007)
307. Montana Marauders (2007)
308. Border Bravados (2007)
309. California Carnage (2007)
310. Alaskan Vengeance (2007)
311. Idaho Impact (2007)
312. Shanghaied Six-Guns (2007)
313. Texas Timber War (2007)
314. North Country Cutthroats (2007)
315. Missouri Manhunt (2008)
316. Beyond Squaw Creek (2008)
317. Mountain Mystery (2008)
318. Nevada Nemesis (318) (2008)
319. Louisiana Laydown (2008)
320. Oregon Outrage (2008)
321. Flathead Fury (321) (2008)
322. Apache Ambush (2008)
323. Wyoming Death Trap (2008)
324. California Crackdown (2008)
325. Seminole Showdown (2008)
326. Silver Mountain Slaughter (2008)
327. Idaho Gold Fever (2009)
328. Texas Triggers 328 (2009)
329. Bayou Trackdown (2009)
330. Tucson Temptress (2009)
331. Northwoods Nightmare (2009)
332. Beartooth Incident (2009)
333. Black Hills Badman (2009)
334. Colorado Clash (2009)
335. Riverboat Rampage (2009)
336. Utah Outlaws (2009)
337. Silver Showdown (2009)
338. Texas Trackdown (2009)
339. Red River Reckoning (2010)
340. Hannibal Rising (2010)
341. Sierra Six-Guns (2010)
342. Rocky Mountain Revenge (2010)
343. Texas Hellions (2010)
344. Six-Gun Gallows (2010)
345. South Pass Snakepit (2010)
346. Arkansas Ambush (2010)

Giant Trailsman
2. New Mexico Nightmare (2003)
11. Montana Maiden (1982)
19. Spoon River Stud (1983)
65. River Kill (1987)
94. Desperate Dispatch (1989)
Aztec Gold (2000)
Menagerie of Malice (2004)
Island Devils (2005)
Idaho Blood Spoor (2006)
Desert Duel (2007)

Canyon O'Grady
1. Dead Men's Trails (1989)
2. Silver Slaughter (1989)
3. Machine Gun Madness (1989)
4. Shadow Guns (1989)
5. The Lincoln Assignment (1989)
6. Comstock Crazy (1990)
7. The King of Colorado (1990)
8. Bleeding Kansas (1990)
9. Counterfeit Madam (1990)
10. The Great Land Swindle (1990)
11. Soldier's Song (1991)
12. Railroad Renegades (1991)
13. Assassin's Trail (1991)
14. Colonel Death (1991)
15. Death Ranch (1991)
16. Blood and Cold (1991)
17. The Killer's Club (1992)
18. Blood Bounty (1992)
19. Rio Grande Ransom (1992)
20. California Vengeance (1992)
21. Wyoming Conspiracy (1992)
22. Colorado Ambush (1992)
23. Louisiana Gold Race (1992)
24. Chicago Six-Guns (1993)
25. Rocky Mountain Feud (1993)