| Issue | #15 |
| Published | December 1951 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 44 |
| Editing | Whitney Ellsworth (credited); Julius Schwartz (actual) |
| Notes | Editorial credit confirmed from Julius Schwartz's editorial records, provided by DC comics. |
| Genre | science fiction; mystery |
| Pencils | Gil Kane |
| Inks | Gil Kane |
| Genre | superhero |
| Script | John Broome [as Edgar Ray Merritt] |
| Pencils | Murphy Anderson |
| Inks | Murphy Anderson |
| Notes | Writing and art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Genre | science fiction |
| Script | Mann Rubin |
| Pencils | Jim Mooney |
| Inks | John Giunta |
| Notes | Cover feature. Writing and art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Frank Giacoia |
| Inks | Joe Giella |
| Notes | Writing and art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Reprinted | in From Beyond the Unknown (DC, 1969 series) #16 (April-May 1972) |
| Pencils | ? (illustration) |
| Inks | ? (illustration) |
| Letters | typeset |
| Notes | Four science quizzes, with answers at the bottom. |
| Genre | science fiction |
| Script | Edmond Hamilton |
| Pencils | Carmine Infantino |
| Inks | Joe Giella |
| Notes | Writing and art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Pencils | Mort Drucker |
| Inks | Mort Drucker |
| Reprinted | in Strange Adventures (DC, 1950 series) #82 |