| Issue | #344 |
| Published | May 1966 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Legion of Super-Heroes [Superboy; Matter-Eater Lad; Element Lad; Cosmic Boy; Chameleon Boy]; Nardo |
| 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 [Invisible Kid; Brainiac 5; Chameleon Boy; Cosmic Boy; Element Lad; Matter-Eater Lad; Superboy; Saturn Girl; Light Lass; Duo Damsel; Cosmic Boy; Sun Boy (cameo); Lightning Lad (cameo); Mon-El (cameo)]; Nardo; Plant Lad; Shadow Kid; Blockade Boy; Weight Wizard |
| Synopsis | The Legionnaires are captured by Nardo and taken to the Super-Stalag of Space. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Letters | Milton Snapinn |
| Editing | Mort Weisinger |
| Notes | Continues in the next issue. "Superboy" is actually a Durlan who is frozen in that form. |
| Reprinted | in Superboy (DC, 1949 series) #202; in Legion of Super-Heroes Archives, The (DC, 1991 series) #5; in Showcase Presents: Legion of Super-Heroes (DC, 2007 series) #2 |
| Characters | Cap |
| Synopsis | how to win model contests |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Synopsis | How to treat frostbite, a black eye, and does cutting your hair make it grow faster? |
| Genre | Fact |
| Script | Jack Schiff |
| Pencils | Sheldon Moldoff |
| Inks | Sheldon Moldoff |
| Letters | Ira Schnapp |
| Characters | Superboy |
| Synopsis | Superboy teaches a spoiled rich kid a lesson. |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Editing | Mort Weisinger |
| Reprinted | from Superboy (DC, 1949 series) #81 |