| Issue | #20 |
| Published | October 1938 |
| Cover Price | 0.10 |
| Pages | 68 |
| Editing | Vincent Sullivan |
| Pencils | Leo O'Mealia |
| Inks | Leo O'Mealia |
| Characters | V: Mandarin Hapsu (I); I: Ming Toy (D) |
| Genre | detective |
| Script | Gardner Fox |
| Pencils | Fred Guardineer |
| Inks | Fred Guardineer |
| Characters | V: En Rico (D) |
| Genre | detective |
| Script | Will Ely |
| Pencils | Will Ely |
| Inks | Will Ely |
| Characters | V: Bogdan (I) |
| Script | Homer Fleming |
| Pencils | Homer Fleming |
| Inks | Homer Fleming |
| Notes | story in black and white |
| Characters | I: Senator Barkley; V: A gang of spies (I) |
| Genre | adventure |
| Script | Jerry Siegel |
| Pencils | Joe Shuster |
| Inks | Joe Shuster |
| Genre | adventure |
| Script | Sax Rohmer |
| Pencils | Leo O'Mealia |
| Inks | Leo O'Mealia |
| Letters | typeset |
| Notes | strip reprints; adapted from THE INSIDIOUS DR. FU MANCHU by Sax Rohmer |
| Script | Gardner Fox (Paul Dean) |
| Letters | typeset |
| Characters | V: Mrs. Warren (I) |
| Genre | detective |
| Script | Gardner Fox? |
| Pencils | Tom Hickey |
| Inks | Tom Hickey |
| Characters | I: The Crimson Avenger (Lee Travis; 1st chron. appearance, and origin, in SECRET ORIGINS (3rd series) #2), Wing; V: Myron Block, Joe Marko (I for both) |
| Genre | superhero |
| Script | Jim Chambers? |
| Pencils | Jim Chambers |
| Inks | Jim Chambers |
| Characters | V: Jim Larrabee (I) |
| Pencils | Sven Elven |
| Inks | Sven Elven |
| Notes | story in black and white |
| Characters | V: Pete Hanson, Muscles, Langley, O'Brien, and Mysto (I for all) |
| Genre | detective |
| Script | Jerry Siegel |
| Pencils | Joe Shuster |
| Inks | Joe Shuster |
| Notes | Slam Bradley gains magic powers for this story only |