| Issue | #104 |
| Published | May 1959 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Cover pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (29 January 2008) |
| Genre | science fiction |
| Pencils | Gil Kane |
| Inks | Gil Kane |
| Notes | Cover pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (29 January 2008) |
| Characters | Space Museum; Howard Parker; Tommy Parker |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Mike Sekowsky |
| Inks | Bernard Sachs |
| 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 (DC, 1969 series) #23 July-August 1973 |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Manny Stallman |
| Inks | John Giunta |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (29 January 2008) |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Sid Greene |
| Inks | Sid Greene |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (29 January 2008) |