| Issue | #1 |
| Published | October-November 1969 |
| Frequency | Bi-Monthly |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Genre | science fiction |
| Pencils | Joe Kubert (signed) |
| Inks | Joe Kubert (signed) |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (added by Gregory Fischer, June 2009). |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Mike Sekowsky |
| Inks | Joe Giella |
| Notes | Cover story. Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | from Strange Adventures (DC, 1950 series) #118 (July 1960) |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Bob Oksner |
| Inks | Bernard Sachs |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | from Mystery in Space (DC, 1951 series) #11 (December-January 1953) |
| Genre | fact |
| Letters | typeset |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Carmine Infantino |
| Inks | Bernard Sachs |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | from Strange Adventures (DC, 1950 series) #122 (November 1960) |