| Issue | #3 |
| Published | December 1950 |
| Cover Price | 0.10 |
| Pages | 52 |
| Editing | Whitney Ellsworth (credited); Julius Schwartz (actual) |
| Genre | science fiction; mystery |
| Pencils | Howard Sherman |
| Inks | Howard Sherman |
| Characters | Chris KL99; Halk; Jerro |
| Genre | science fiction |
| Script | Edmond Hamilton (signed) |
| Pencils | Howard Sherman |
| Inks | Howard Sherman |
| Genre | fact |
| Genre | science fiction |
| Script | Gardner Fox [as Robert Starr] |
| Pencils | Jim Mooney |
| Inks | Sy Barry |
| Characters | Adolph Hitler |
| Genre | science fiction |
| Script | H. L. Gold (Signed) |
| Pencils | Curt Swan |
| Inks | Jon Small |
| Editing | Jack Schiff |
| Genre | fact |
| Script | Jack Schiff |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Genre | science fiction |
| Script | Ted Udall [as Charles King] |
| Pencils | Raymond Perry |
| Inks | Raymond Perry |
| Colors | Raymond Perry ? |
| Notes | text |
| Genre | fact |
| Genre | science fiction |
| Script | Gardner Fox (signed) |
| Pencils | Dan Barry (signed) |
| Inks | Dan Barry |