The World of Bizarros – Superman discovers a Bizarro world in space, and pays it a visit. He unwittingly breaks one of their strange laws, and submits to their justice system. To be continued in Action Comics #264.
Supergirl’s Darkest Day – Supergirl rescues a boy at sea who comes to her orphanage and learns her secret identity.
| Barcode | N/A |
|---|---|
| Character | Bizarro, Supergirl (Kara Zor-El), Superman (Kal-El / Clark Kent) |
| Cover Date | April 1960 |
| Issue | 263 |
| Rating | N/A |
| Artist | Jim Mooney |
| 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 | Stan Kaye |
| Layouts | N/A |
| Letterer | Joe Letterese, Milt Snapinn |
| Painter | N/A |
| Penciller | Wayne Boring |
| Plotter | N/A |
| Scripter | N/A |
| Separator | N/A |
| Translator | N/A |
| Writer | Otto Binder |
