Additional information
| Barcode | N/A |
|---|---|
| Character | Superman (Kal-El / Clark Kent), Supergirl (Kara Zor-El) |
| Cover Date | December 1959 |
| Issue | 259 |
| Rating | N/A |
| Artist | Al Plastino, Jim Mooney, Howard Sherman |
| Colorist | N/A |
| Cover Artist | N/A |
| Cover Colorist | N/A |
| Cover Inker | Stan Kaye |
| Cover Painter | N/A |
| Cover Penciller | Curt Swan |
| Cover Separator | N/A |
| Editor | Mort Weisinger |
| Editor in Chief | Mort Weisinger |
| Inker | N/A |
| Layouts | N/A |
| Letterer | N/A |
| Painter | N/A |
| Penciller | N/A |
| Plotter | N/A |
| Scripter | N/A |
| Separator | N/A |
| Translator | N/A |
| Writer | Robert Bernstein, Otto Binder, Jerry Siegel |
