| Issue | #3 |
| Published | February-March 1970 |
| Cover Price | 0.15 |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [July 2007]. Pencils previously credited to Neal Adams. |
| Pencils | Gil Kane |
| Inks | Neal Adams |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [July 2007]. Pencils previously credited to Neal Adams. |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Carmine Infantino |
| Inks | Joe Giella |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | from Strange Adventures #150 (March 1963) |
| Genre | science fiction |
| Script | John Broome |
| Pencils | Gil Kane |
| Inks | Frank Giacoia |
| 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 #53 (August 1959) |
| Genre | science fiction |
| Script | Sid Gerson |
| Pencils | Henry Sharp |
| Inks | Henry Sharp |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | from Strange Adventures #34 (July 1953) |
| Genre | science fiction |
| Script | John Broome |
| Pencils | Murphy Anderson |
| Inks | Murphy Anderson |
| Reprinted | from Mystery in Space #61 (August 1960) |