| Issue | #17 |
| Published | March 1951 |
| Cover Price | 0.10 USD |
| Pages | 52 |
| Editing | Richard E. Hughes |
| Pencils | Ogden Whitney |
| Inks | Ogden Whitney |
| Pencils | Charlie Sultan |
| Inks | Charlie Sultan |
| Script | Richard Hughes |
| Letters | typeset |
| Pencils | Al Camy |
| Inks | Al Camy |
| Pencils | Paul Gattuso |
| Inks | Paul Gattuso |
| Pencils | Edvard Moritz |
| Inks | Edvard Moritz |
| Notes | very similar to "Who Goes There?" by John W. Campbell |
| Pencils | Bob Jenney? |
| Inks | Bob Jenney? |
| Pencils | Edvard Moritz |
| Inks | Edvard Moritz |