| Issue | #10 |
| Published | July 1940 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Maurice Rosenfeld |
| Genre | superhero |
| Pencils | Bob Powell? |
| Inks | Bob Powell? |
| Characters | Comrade Ratski (Villain) |
| Genre | superhero |
| Pencils | Maurice Scott |
| Inks | Maurice Scott |
| Characters | The Flibbet sisters (Intro); Ni Lats (Villain; Intro; Death) |
| Script | Klaus Nordling |
| Pencils | Klaus Nordling (Fred North) |
| Inks | Klaus Nordling |
| Script | Bob Powell |
| Pencils | Bob Powell |
| Inks | Bob Powell |
| Script | Rex Rollins |
| Letters | typeset |
| Script | Dick Briefer |
| Pencils | Dick Briefer (Rem Brant) |
| Inks | Dick Briefer |
| Script | C. A. Winter |
| Pencils | C. A. Winter (Ted C. Mariner) |
| Inks | C. A. Winter |
| Characters | John Powers (Intro) |
| Pencils | Gregory Torrey |
| Inks | Gregory Torrey |
| Characters | Nick and Dick (Intro) |
| Script | Munson Paddock |
| Pencils | Munson Paddock |
| Inks | Munson Paddock |
| Pencils | Clark Williams? |
| Inks | Clark Williams? |
| Notes | credited to Carl Larson, but not George Tuska |