| Issue | #21 |
| Published | July-August 1949 |
| Cover Price | 0.10 usd |
| Pages | 52 |
| Editing | Whitney Ellsworth (credited); Jack Schiff (actual) |
| Genre | war |
| Pencils | Curt Swan |
| Inks | John Fischetti |
| Characters | Kit Carson |
| Genre | western |
| Script | Jack Schiff; Mort Weisinger; George Kashdan |
| Pencils | Howard Sherman |
| Inks | Howard Sherman |
| Characters | Captain Tootsie; Rollo |
| Genre | superhero |
| Pencils | C. C. Beck (signed) |
| Inks | C. C. Beck (signed) |
| Characters | Colonel David (Mickey) Marcus |
| Genre | war |
| Script | Jack Schiff; Mort Weisinger; George Kashdan |
| Pencils | Jon Small (signed) |
| Inks | Jon Small (signed) |
| Characters | "U.S." Royal |
| Genre | adventure |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Characters | "R.C."; Quickie |
| Genre | adventure |
| Pencils | Creig Flessel |
| Inks | Creig Flessel |
| Characters | Captain Melville H. Bloomer |
| Synopsis | stories of a transatlantic cable repair ship |
| Genre | fact |
| Script | Jack Schiff; Mort Weisinger; George Kashdan |
| Pencils | Stookie Allen |
| Inks | Stookie Allen |
| Synopsis | stories of the 1909 Cherry Illinois mine disaster |
| Genre | fact |
| Script | Jack Schiff; Mort Weisinger; George Kashdan |
| Pencils | Curt Swan ? |
| Genre | fact |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Characters | Henry Bergh |
| Synopsis | Henry Bergh founds the S.P.C. A. |
| Genre | fact |
| Script | Jack Schiff; Mort Weisinger; George Kashdan |
| Pencils | Ed Smalle (signed) |
| Inks | Ed Smalle (signed) |
| Characters | Douglas Ryan; Charlie Laemmle; Leonard Young; Joline Lyons; Joe West; Marton Marcus; Don Sheldon |
| Genre | fact |
| Pencils | Stookie Allen ? |
| Inks | Stookie Allen ? |
| Genre | fact |
| Script | Martin Naydel (signed) |
| Pencils | Martin Naydel (signed) |
| Inks | Martin Naydel (signed) |
| Genre | fact |
| Pencils | Raymond Perry |
| Inks | Raymond Perry |
| Colors | Raymond Perry |
| Letters | Typeset |
| Characters | Sgt. Charles D. Engel |
| Genre | war |
| Script | Jack Schiff; Mort Weisinger; George Kashdan |
| Pencils | Ed Smalle |
| Inks | Ed Smalle |
| Genre | war |
| Script | Jack Schiff; Mort Weisinger; George Kashdan |
| Pencils | Curt Swan |
| Inks | John Fischetti |
| Pencils | Martin Naydel |
| Inks | Martin Naydel |
| Characters | Popsicle Pete |
| Genre | adventure |
| Pencils | Sam Glanckoff |
| Inks | Sam Glanckoff |
| Characters | Jim Wise |
| Genre | adventure |
| Pencils | Al Plastino |
| Inks | Al Plastino |