| Issue | #225 |
| Published | July-August 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 | Joe Kubert |
| Inks | Joe Kubert |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [July 2007]. |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Carmine Infantino |
| Inks | Murphy Anderson |
| Reprinted | from Mystery in Space (DC, 1951 series) #64 |
| Script | John Broome |
| Pencils | Sid Greene |
| Inks | Joe Giella |
| Reprinted | from Mystery in Space (DC, 1951 series) #33 |
| Script | John Broome |
| Pencils | Murphy Anderson |
| Inks | Murphy Anderson |
| Reprinted | from Strange Adventures (DC, 1950 series) #141 |