Avenger
1. Justice, Inc. (1939) (by Paul Ernst)
2. The Yellow Hoard (1939) (by Paul Ernst)
3. The Sky Walker (1939) (by Paul Ernst)
4. The Devil's Horns (1939) (by Paul Ernst)
5. The Frosted Death (1940) (by Paul Ernst)
6. The Blood Ring (1940) (by Paul Ernst)
7. Stockholders in Death (1940) (by Paul Ernst)
8. The Glass Mountain (1940) (by Paul Ernst)
9. Tuned for Murder (1940) (by Paul Ernst)
10. The Smiling Dogs (1940) (by Paul Ernst)
11. River of Ice (1940) (by Paul Ernst)
12. The Flame Breathers (1940) (by Paul Ernst)
13. Murder on Wheels (1940) (by Paul Ernst)
14. Three Gold Crowns (1941) (by Paul Ernst)
15. House of Death (1941) (by Paul Ernst)
16. The Hate Master (1941) (by Paul Ernst)
17. Nevlo (1941) (by Paul Ernst)
18. Death in Slow Motion (1941) (by Paul Ernst)
19. Pictures of Death (1941) (by Paul Ernst)
20. The Green Killer (1942) (by Paul Ernst)
21. The Happy Killers (1942) (by Paul Ernst)
22. The Black Death (1942) (by Paul Ernst)
23. The Wilder Curse (1942) (by Paul Ernst)
24. Midnight Murder (1942) (by Paul Ernst)
25. The Man from Atlantis (1974) (by Ron Goulart)
26. Red Moon (1974) (by Ron Goulart)
27. The Purple Zombie (1974) (by Ron Goulart)
28. Dr. Time (1974) (by Ron Goulart)
29. The Nightwitch Devil (1974) (by Ron Goulart)
30. Black Chariots (1974) (by Ron Goulart)
31. The Cartoon Crimes (1974) (by Ron Goulart)
32. The Death Machine (1975) (by Ron Goulart)
33. The Blood Countess (1975) (by Ron Goulart)
34. The Glass Man (1975) (by Ron Goulart)
35. The Iron Skull (1975) (by Ron Goulart)
36. Demon Island (1975) (by Ron Goulart)

Doc Savage
1. The Man of Bronze (1933) (by Lester Dent)
2. The Thousand-Headed Man (1934) (by Lester Dent)
3. Quest of the Spider (1933) (by Lester Dent)
3. Meteor Menace (1934) (by Lester Dent)
4. The Polar Treasure (1933) (by Lester Dent)
5. Pirate of the Pacific (1933) (by Lester Dent)
5. Brand of the Werewolf (1934) (by Lester Dent)
6. The Lost Oasis (1933) (by Lester Dent)
7. The Red Skull (1933) (by Lester Dent)
7. The Monsters (1934) (by Lester Dent)
8. The Land of Terror (1933) (by Lester Dent)
8. The Sargasso Ogre (1933) (by Lester Dent)
9. The Czar of Fear (1933) (by Lester Dent)
10. The Phantom City (1933) (by Lester Dent)
11. Fear Cay (1934) (by Lester Dent)
12. The Man Who Shook the Earth (1934) (by Lester Dent)
15. The Mystery on the Snow (1934) (by Lester Dent)
18. The Squeaking Goblin (1934) (by Lester Dent)
20. Death in Silver (1934) (by Lester Dent)
21. The Sea Magician (1934) (by Lester Dent)
21. Cold Death (1936) (by Lawrence Donovan)
22. The Annihilist (1934) (by Lester Dent)
23. The Mystic Mullah (1935) (by Lester Dent)
23. Fortress of Solitude (1938) (by Lester Dent)
24. Red Snow (1935) (by Lester Dent)
25. Land of Always-Night (1935) (by Ryerson Johnson)
26. The Ghost Legion (1935) (by Lester Dent)
     aka The Spook Legion
27. The Secret in the Sky (1935) (by Lester Dent)
28. The Roar Devil (1935) (by Lester Dent)
29. Quest of Qui (1935) (by Lester Dent)
29. The Other World (1940) (by Lester Dent)
30. Spook Hole (1935) (by Unknown)
31. The Majii (1935) (by Lester Dent)
32. Dust of Death (1935) (by Harold Davis)
33. Murder Melody (1935) (by Lawrence Donovan)
34. The Fantastic Island (1935) (by Lester Dent and Ryerson Johnson)
35. Murder Mirage (1936) (by Lawrence Donovan)
36. Mystery Under the Sea (1936) (by Lester Dent)
36. Resurrection Day (1936) (by Lester Dent)
37. The Deadly Dwarf (1937) (by Lester Dent)
     aka Repel
38. The Men Who Smiled No More (1936) (by Lawrence Donovan)
40. Haunted Ocean (1936) (by Lawrence Donovan)
46. The Midas Man (1936) (by Lester Dent)
46. The Vanisher (1936) (by Lester Dent)
47. Land of Long Juju (1937) (by Lawrence Donovan)
48. The Derrick Devil (1937) (by Lester Dent)
49. The Mental Wizard (1937) (by Lester Dent)
50. The Terror in the Navy (1937) (by Lester Dent)
51. Mad Eyes (1937) (by Lawrence Donovan)
53. He Could Stop the World (1937) (by Lawrence Donovan)
54. The Magic Island (1937) (by Lester Dent)
     aka Ost
55. The Feathered Octopus (1937) (by Lester Dent)
57. The Sea Angel (1937) (by Lester Dent)
58. The Golden Peril (1937) (by Harold Davis)
60. The Mountain Monster (1938) (by Harold Davis)
61. Devil on the Moon (1938) (by Lester Dent)
61. The Living Fire Menace (1938) (by Harold Davis)
62. The Pirate's Ghost (1938) (by Lester Dent)
63. The Motion Menace (1938) (by Ryerson Johnson)
64. The Submarine Mystery (1938) (by Lester Dent)
65. The Giggling Ghosts (1938) (by Lester Dent)
66. The Munitions Master (1938) (by Harold Davis)
67. The Red Terrors (1938) (by Harold Davis)
69. The Green Death (1938) (by Harold Davis)
71. Mad Mesa (1939) (by Lester Dent)
72. The Metal Master (1936) (by Lester Dent)
72. The Yellow Cloud (1939) (by Lester Dent)
73. The Seven Agate Devils (1936) (by Lester Dent)
73. The Freckled Shark (1939) (by Lester Dent)
74. World's Fair Goblin (1939) (by William G Bogart)
75. The Land of Fear (1937) (by Harold Davis)
75. The Gold Ogre (1939) (by Lester Dent)
76. The Black Spot (1936) (by Lawrence Donovan)
76. The Flaming Falcons (1939) (by Lester Dent)
77. The South Pole Terror (1936) (by Lester Dent)
77. Merchants of Disaster (1939) (by Harold Davis)
78. The Crimson Serpent (1939) (by Harold Davis)
79. The Devil Genghis (1938) (by Lester Dent)
79. Poison Island (1939) (by Lester Dent)
80. The King Maker (1934) (by Harold Davis)
81. Hex (1939) (by William G Bogart)
81. The Stone Man (1939) (by Unknown)
82. The Dagger in the Sky (1939) (by Lester Dent)
84. The Angry Ghost (1940) (by William G Bogart)
85. The Spotted Men (1940) (by William G Bogart)
86. The Evil Gnome (1940) (by Lester Dent)
87. The Boss of Terror (1940) (by Lester Dent)
88. The Awful Egg (1940) (by Lester Dent)
89. The Flying Goblin (1940) (by William G Bogart)
90. Tunnel Terror (1940) (by William G Bogart)
91. The Purple Dragon (1940) (by Harold Davis)
92. Devils of the Deep (1940) (by Harold Davis)
93. The Awful Dynasty (1940) (by William G Bogart)
94. The Men Vanished (1940) (by Lester Dent)
95. Devil's Playground (1941) (by Alan Hathway)
96. Bequest of Evil (1941) (by William G Bogart)
97. The All-White Elf (1941) (by Lester Dent)
98. The Golden Man (1941) (by Lester Dent)
99. The Pink Lady (1941) (by Lester Dent)
100. The Headless Men (1941) (by Alan Hathway)
101. The Green Eagle (1941) (by Lester Dent)
102. Mystery Island (1941) (by Lester Dent)
103. The Mindless Monsters (1941) (by Alan Hathway)
104. Birds of Death (1941) (by Lester Dent)
105. The Invisible-Box Murders (1941) (by Lester Dent)
106. Peril in the North (1941) (by Lester Dent)
107. The Rustling Death (1942) (by Alan Hathway)
108. Men of Fear (1942) (by Lester Dent)
109. The Too-Wise Owl (1942) (by Lester Dent)
110. The Magic Forest (1942) (by William G Bogart)
111. Pirate Isle (1942) (by Lester Dent)
112. The Speaking Stone (1942) (by Lester Dent)
113. The Man Who Fell Up (1942) (by Lester Dent)
114. The Three Wild Men (1942) (by Lester Dent)
115. The Fiery Menace (1942) (by Lester Dent)
116. The Laugh of Death (1942) (by Lester Dent)
117. They Died Twice (1942) (by Lester Dent)
118. The Devil's Black Rock (1942) (by Lester Dent)
119. Time Terror (1943) (by Lester Dent)
120. Waves of Death (1943) (by Lester Dent)
121. The Black, Black Witch (1943) (by Lester Dent)
122. The King of Terror (1943) (by Lester Dent)
123. The Talking Devil (1943) (by Lester Dent)
124. The Running Skeletons (1943) (by Lester Dent)
125. Mystery on Happy Bones (1943) (by Lester Dent)
126. The Mental Monster (1943) (by Lester Dent)
127. Hell Below (1943) (by Lester Dent)
128. The Goblins (1943) (by Lester Dent)
129. The Secret of the Su (1943) (by Lester Dent)
130. The Spook of Grandpa Eben (1943) (by Lester Dent)
131. According to Plan of a One-Eyed Mystic (1944) (by Lester Dent)
132. Death Had Yellow Eyes (1944) (by Lester Dent)
133. The Derelict of Skull Shoal (1944) (by Lester Dent)
134. The Whisker of Hercules (1944) (by Lester Dent)
135. The Three Devils (1944) (by Lester Dent)
136. The Pharaoh's Ghost (1944) (by Lester Dent)
137. The Man Who Was Scared (1944) (by Lester Dent)
138. The Shape of Terror (1944) (by Lester Dent)
139. Weird Valley (1944) (by Lester Dent)
140. Jiu San (1944) (by Lester Dent)
141. Satan Black (1944) (by Lester Dent)
142. Lost Giant (1944) (by Lester Dent)
143. The Hate Genius (1945) (by Lester Dent)
     aka Violent Night
144. Strange Fish (1945) (by Lester Dent)
145. The Ten Ton Snakes (1945) (by Lester Dent)
146. Cargo Unknown (1945) (by Lester Dent)
147. Rock Sinister (1945) (by Lester Dent)
148. The Terrible Stork (1945) (by Lester Dent)
149. King Joe Cay (1945) (by Lester Dent)
150. The Wee Ones (1945) (by Lester Dent)
151. Terror Takes 7 (1945) (by Lester Dent)
152. The Thing That Pursued (1945) (by Lester Dent)
153. Trouble on Parade (1945) (by Lester Dent)
154. The Screaming Man (1945) (by Lester Dent)
155. Measures for a Coffin (1946) (by Lester Dent)
156. Se-Pah-Poo (1946) (by Lester Dent)
157. Terror and the Lonely Widow (1946) (by Lester Dent)
158. Five Fathoms Dead (1946) (by Lester Dent)
159. Death is a Round Black Spot (1946) (by Lester Dent)
160. Colors for Murder (1946) (by Lester Dent)
161. Fire and Ice (1946) (by William G Bogart)
162. Three Times a Corpse (1946) (by Lester Dent)
163. The Exploding Lake (1946) (by Harold Davis)
164. Death in Little Houses (1946) (by William G Bogart)
165. The Devil Is Jones (1946) (by Lester Dent)
166. The Disappearing Lady (1946) (by William G Bogart)
167. Target for Death (1947) (by William G Bogart)
168. The Death Lady (1947) (by William G Bogart)
169. Danger Lies East (1947) (by Lester Dent)
170. No Light to Die (1947) (by Lester Dent)
171. The Monkey Suit (1947) (by Lester Dent)
172. Let's Kill Ames (1947) (by Lester Dent)
173. Once Over Lightly (1947) (by Lester Dent)
174. I Died Yesterday (1948) (by Lester Dent)
175. The Pure Evil (1948) (by Lester Dent)
176. Terror Wears No Shoes (1948) (by Lester Dent)
177. The Angry Canary (1948) (by Lester Dent)
178. The Swooning Lady (1948) (by Lester Dent)
179. The Green Master (1949) (by Lester Dent)
180. Return From Cormoral (1949) (by Lester Dent)
181. Up From Earth's Center (1949) (by Lester Dent)
182. In Hell, Madonna (1979) (by Lester Dent)
     aka The Red Spider
183. Escape from Loki (1991) (by Philip José Farmer)
184. Python Isle (1991) (by Will Murray)
185. White Eyes (1992) (by Will Murray)
186. The Frightened Fish (1992) (by Will Murray)
187. The Jade Ogre (1992) (by Will Murray)
188. Flight into Fear (1993) (by Will Murray)
189. The Whistling Wraith (1993) (by Will Murray)
190. The Forgotten Realm (1993) (by Will Murray)