| Issue | #309 |
| Published | March 1977 |
| Cover Price | 0.30 |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Cover art credits from Comic Reader #138; the original indexer credited the inks to Garcia-Lopez ?. |
| Characters | Superman; Supergirl |
| Genre | superhero |
| Pencils | Jose Luis Garcia-Lopez |
| Inks | Bob Oksner |
| Notes | Cover art credits from Comic Reader #138; the original indexer credited the inks to Garcia-Lopez ?. |
| Characters | Superman; Sam Simeon; Supergirl; Lois Lane; Krypto; Cyrotor; J'ai (villains) |
| Genre | superhero |
| Script | Gerry Conway |
| Pencils | Jose Luis Garcia-Lopez |
| Inks | Frank Springer |
| Notes | GS: Supergirl, Krypto; V: J'ai |