| Issue | #347 |
| Published | August 1966 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Karate Kid; Superboy; Ferro Lad; Cosmic Boy; Lightning Lad; Phantom Girl |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Letters | Ira Schnapp |
| Reprinted | in Legion of Super-Heroes Archives, The (DC, 1991 series) #5; in Showcase Presents: Legion of Super-Heroes (DC, 2007 series) #2 |
| Characters | Legion of Super-Heroes [Superboy; Cosmic Boy; Chameleon Boy; Lightning Lad; Light Lass; Phantom Girl; Karate Kid; Ferro Lad; Nemesis Kid; Princess Projectra; Shrinking Violet] |
| Synopsis | Nemesis Kid is revealed to be the traitor as the Legion defeats the Khunds. |
| Genre | superhero |
| Script | Jim Shooter |
| Pencils | Jim Shooter (layouts only); Curt Swan |
| Inks | George Klein |
| Letters | Milton Snapinn |
| Editing | Mort Weisinger |
| Notes | Continued from previous issue. |
| Reprinted | in Legion of Super-Heroes Archives, The (DC, 1991 series) #5; in Showcase Presents: Legion of Super-Heroes (DC, 2007 series) #2 |
| Synopsis | Children learn that policemen do more than just catch crooks. |
| Script | Jack Schiff |
| Letters | Ira Schnapp |
| Notes | Credits confirmed by Bob Bailey, Bob Hughes and Gene Reed. |
| Characters | Cap |
| Synopsis | painting tips |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |