| Issue | #23 |
| Published | August 1952 |
| Cover Price | 0.10 |
| Pages | 36 |
| Editing | Whitney Ellsworth (credited); Julius Schwartz (actual) |
| Genre | science fiction; mystery |
| Pencils | Murphy Anderson |
| Inks | Murphy Anderson |
| Genre | science fiction |
| Script | Mann Rubin |
| Pencils | Bob Oksner |
| Inks | John Giunta |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | In From Beyond the Unknown #8 (DC, December-January 1971). |
| Genre | science fiction |
| Script | Mann Rubin [as Starr] |
| Pencils | Carmine Infantino |
| Inks | Sy Barry |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | John Giunta |
| Inks | John Giunta |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | In From Beyond the Unknown #21 (DC, February-March 1973). |
| Genre | superhero |
| Script | John Broome |
| Pencils | Murphy Anderson |
| Inks | Sy Barry |