The Crime Ray
Author: Walter B. Gibson Series #: 181 Published: September 1, 1939: Sanctum Books #39
The Golden Master
Author: Walter B. Gibson Series #: 182 Published: September 15, 1939: Mysterious Press, Sanctum Books #75
Castle of Crime
Author: Walter B. Gibson Series #: 183 Published: October 1, 1939: Sanctum Books #58
The Masked Lady
Author: Walter B. Gibson Series #: 184 Published: October 15, 1939: Nostalgia Ventures #14
Ships of Doom
Author: Walter B. Gibson Series #: 185 Published: November 1, 1939: Sanctum Books #135
City of Ghosts
Author: Walter B. Gibson Series #: 186 Published: November 15, 1939: Sanctum Books #45
Shiwan Khan Returns
Author: Walter B. Gibson Series #: 187 Published: December 1, 1939: Mysterious Press, Sanctum Books #80
House of Shadows
Author: Walter B. Gibson Series #: 188 Published: December 15, 1939: Sanctum Books #31
Death's Premium
Author: Walter B. Gibson Series #: 189 Published: January 1, 1940: Sanctum Books #41
The Hooded Circle
Author: Walter B. Gibson Series #: 190 Published: January 15, 1940: Nostalgia Ventures #22
The Getaway Ring
Author: Walter B. Gibson Series #: 191 Published: February 1, 1940: Sanctum Books #59
Voice of Death
Author: Walter B. Gibson Series #: 192 Published: February 15, 1940: Sanctum Books #49
The Invincible Shiwan Khan
Author: Walter B. Gibson Series #: 193 Published: March 1, 1940: Sanctum Books #80
The Veiled Prophet
Author: Walter B. Gibson Series #: 194 Published: March 15, 1940: Sanctum Books #65
The Spy Ring
Author: Walter B. Gibson Series #: 195 Published: April 1, 1940: Sanctum Books #82
Prince of Evil
Author: Theodore Tinsley Series #: 196 Published: April 15, 1940: Sanctum Books #60
Death in the Stars
Author: Walter B. Gibson Series #: 197 Published: May 1, 1940: Sanctum Books #84
Masters of Death
Author: Walter B. Gibson Series #: 198 Published: May 15, 1940: Sanctum Books #85
Scent of Death
Author: Walter B. Gibson Series #: 199 Published: June 1, 1940: Sanctum Books #126
"Q"
Author: Walter B. Gibson Series #: 200 Published: June 15, 1940: Sanctum Books #94
Murder Genius
Author: Theodore Tinsley Series #: 201 Published: July 1, 1940: Sanctum Books #61
Gems of Doom
Author: Walter B. Gibson Series #: 202 Published: July 15, 1940: Sanctum Books #98
Crime at Seven Oaks
Author: Walter B. Gibson Series #: 203 Published: August 1, 1940: Sanctum Books #97
The Fifth Face
Author: Walter B. Gibson Series #: 204 Published: August 15, 1940: Nostalgia Ventures #10
Crime County
Author: Walter B. Gibson Series #: 205 Published: September 1, 1940: Sanctum Books #116
The Man Who Died Twice
Author: Theodore Tinsley Series #: 206 Published: September 15, 1940: Sanctum Books #62
The Wasp
Author: Walter B. Gibson Series #: 207 Published: October 1, 1940: Sanctum Books #57
City of Fear
Author: Theodore Tinsley Series #: 208 Published: October 15, 1940: Sanctum Books #99
Crime Over Miami
Author: Walter B. Gibson Series #: 209 Published: November 1, 1940: Sanctum Books #83
The Devil's Paymaster
Author: Theodore Tinsley Series #: 210 Published: November 15, 1940: Sanctum Books #63
Xitli, God of Fire
Author: Walter B. Gibson Series #: 211 Published: December 1, 1940: Sanctum Books #67
The Shadow, The Hawk and the Skull
Author: Walter B. Gibson Series #: 212 Published: December 15, 1940: Sanctum Books #27
Forgotten Gold
Author: Walter B. Gibson Series #: 213 Published: January 1, 1941: Sanctum Books #115
The Green Terror
Author: Theodore Tinsley Series #: 214 Published: January 15, 1941: Sanctum Books Shadow Annual #1
The Wasp Returns
Author: Walter B. Gibson Series #: 215 Published: February 1, 1941: Sanctum Books #63
The Chinese Primrose
Author: Walter B. Gibson Series #: 216 Published: February 15, 1941: Sanctum Books #126