| Issue | #71 |
| Published | March 1959 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Notes | First issue to officially list Mort Weisinger as editor. Letters page indicates that no more anachronisms will appear in Superboy stories. |
| Characters | Jonathan Kent; Superbaby |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Characters | Krypto; Martha Kent; Jonathan Kent; Superboy robots; Superboy |
| Synopsis | One of Superboy's experiments backfires and switches Krypto's mind with his. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | John Sikela |
| Inks | John Sikela |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Lana Lang |
| Synopsis | Clark deliberately gets himself expelled from school. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | George Papp |
| Inks | George Papp |
| Reprinted | in Adventure Comics (DC, 1938 series) #326 |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Superbaby; Mysto (introduction); Fred Whipple; Martha Kent; Jonathan Kent |
| Synopsis | The Kents' neighbor discovers little Clark has super powers. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | George Papp |
| Inks | George Papp |
| Notes | Untold Tale of Superboy |