| Issue | #309 |
| Published | June 1963 |
| Cover Price | 0.12 |
| Pages | 36 |
| Editing | Mort Weisinger |
| Notes | Tales of the Legion of Super-Heroes moves to the lead spot with this issue, as Superboy stories move to the back. Reader suggestions for new Legionnaires include Color Kid, Beast Boy, and Life Lass |
| Characters | Clark Kent, Superboy impersonator |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Letters | Ira Schnapp |
| Notes | Tales of the Legion of Super-Heroes moves to the lead spot with this issue, as Superboy moves to the back. Reader suggestions for new Legionnaires include Color Kid, Beast Boy, and Life Lass |
| Synopsis | Alvin learns that it's hard to get a good job unless you finish school, and decides against dropping out |
| Script | Jack Schiff |
| Pencils | Sheldon Moldoff |
| Inks | Sheldon Moldoff |
| Letters | Ira Schnapp |
| Notes | On inside front cover. |
| Reprinted | from 8/62 titles |
| Characters | Legion of Super-Heroes [Brainiac 5; Bouncing Boy; Saturn Girl; Sun Boy; Chameleon Boy; Mon-El; Colossal Boy; Ultra Boy; Matter-Eater Lad (cameo); Shrinking Violet (cameo); Superboy (cameo); Triplicate Girl (cameo); Invisible Kid (cameo); Cosmic Boy (cameo)]; Jungle King |
| Synopsis | Failed Legion applicant Jungle King tries to get revenge with his super-beasts. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | John Forte |
| Inks | John Forte |
| Letters | Milton Snapinn |
| Editing | Mort Weisinger |
| Reprinted | in Adventure Comics (DC, 1938 series) #500; in Legion of Super-Heroes Archives, The (DC, 1991 series) #2 |
| Characters | Legion of Super-Heroes [Brainiac 5; Bouncing Boy; Saturn Girl; Sun Boy; Chameleon Boy]; Jungle King |
| Synopsis | The Legion defeats the Jungle King and his super-beasts. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | John Forte |
| Inks | John Forte |
| Letters | Milton Snapinn |
| Editing | Mort Weisinger |
| Reprinted | in Adventure Comics (DC, 1938 series) #500; in Legion of Super-Heroes Archives, The (DC, 1991 series) #2 |
| Characters | Superboy, Brainiac 5, Professor Lang, Jonathan Kent, fake green kryptonite |
| Genre | superhero |
| Pencils | George Papp |
| Inks | George Papp |
| Letters | Joe Letterese |
| Editing | Mort Weisinger |
| Characters | Ollie |
| Synopsis | Ollie takes his dog hunting. |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |