| Issue | #56 |
| Published | April 1957 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Whitney Ellsworth (credited); Mort Weisinger, (actual) |
| Characters | Superboy; Krypto |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Characters | Lana Lang |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | John Sikela |
| Inks | John Sikela |
| Genre | teen |
| Script | Jack Schiff |
| Pencils | Ruben Moreira |
| Inks | Ruben Moreira |
| Letters | Ira Schnapp |
| Characters | Lana Lang |
| Genre | superhero |
| Script | Jerry Coleman |
| Pencils | John Sikela |
| Inks | John Sikela |
| Notes | Writer id by Bob Hughes 8/05 |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Letters | typeset |
| Notes | text page |
| Characters | Krypto |
| Synopsis | Krypto decides he's only going to save dogs from now on. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Curt Swan |
| Inks | George Klein |
| Notes | Inker id by Bob Hughes 8/05. (Formerly John Fischetti). |
| Reprinted | in Adventure Comics (DC, 1938 series) #330 |