| Issue | #123 |
| Published | September 1965 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Characters | Superboy [Clark Kent] |
| Genre | superhero |
| Script | E. Nelson Bridwell |
| Pencils | George Papp |
| Inks | George Papp |
| Letters | Vivian Berg |
| Characters | A man; two boys |
| Synopsis | Two boys who are polluting a stream are given an anit-pollution lesson by a fisherman. Includes an excerpt from an 1869 Massachusetts Board of Health document. |
| Genre | fact |
| Script | Jack Schiff |
| Pencils | Sheldon Moldoff |
| Inks | Sheldon Moldoff |
| Letters | Ira Schnapp |
| Characters | Superboy [Clark Kent]; Krypto |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | George Papp |
| Inks | George Papp |
| Letters | Vivian Berg |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Superboy [Clark Kent] |
| Genre | superhero |
| Script | Leo Dorfman |
| Pencils | Curt Swan |
| Inks | George Klein |
| Letters | Milton Snapinn |