| Issue | #343 |
| Published | April 1966 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Legion of Super-Heroes [Superboy; Lightning Lad; Duo Damsel]; Bouncing Boy; Star Boy |
| 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 [Sun Boy; Brainiac 5; Invisible Kid; Saturn Girl; Lighting Lad; Cosmic Boy; Chameleon Boy; Light Lass; Duo Damsel; Element Lad; Shrinking Violet; Matter-Eater Lad]; Legion of Super-Pets [Proty II; Krypto; Comet; Streaky; Beppo]; Star Boy; Bouncing Boy; Calamity King; Computo |
| Synopsis | Saturn Girl visits Thaun to investigate a series of Legionnaire jinxes, only to find that the evil Luck Lords used a super-hypnotic long-range ray. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Letters | Milton Snapinn |
| Editing | Mort Weisinger |
| Reprinted | in Superboy (DC, 1949 series) #208; 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 match paint colors |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Superboy |
| Synopsis | Pete Ross discovers Superboy's secret ID. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | George Papp |
| Inks | George Papp |
| Editing | Mort Weisinger |
| Notes | Script credit provided by Allen Ross (January 3, 2006) from an autographed copy of Superboy (1949 series) #90. Previously, script credited to Leo Dorfman, which disagreed with the credit of Robert Bernstein in the Superboy #90 index. |
| Reprinted | from Superboy (DC, 1949 series) #90 |