| Issue | #340 |
| Published | October 1979 |
| Cover Price | 0.40 |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | A Whitman variant also exists. |
| Characters | Superman; N.R.G.-X |
| Genre | superhero |
| Pencils | Jose Luis Garcia-Lopez |
| Inks | Jose Luis Garcia-Lopez |
| Notes | A Whitman variant also exists. |
| Reprinted | in Superman From the Thirties to the Eighties (Crown Publishers, Inc., 1983 series) #nn |
| Characters | Superman; Lois Lane; N.R.G.-X (villain); Ray Ryker (villain); Laurel Kenyon; Lana Lang |
| Genre | superhero |
| Script | Len Wein |
| Pencils | Curt Swan |
| Inks | Frank Chiaramonte |
| Colors | Glynis Wein |
| Letters | Ben Oda |