| Issue | #216 |
| Published | September 1955 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Whitney Ellsworth; Jack Schiff (managing editor); Mort Weisinger (story editor); George Kashdan (story editor) |
| Characters | Superboy; Superman |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Characters | Jimmy Olsen; Prof Mark Olsen (intro); Vedders |
| Synopsis | When a criminal hides in a city composed entirely of kryptonite, Superboy needs the help of Professor Olsen to capture him. |
| Genre | superhero |
| Script | Bill Finger |
| Pencils | Curt Swan |
| Inks | George Klein |
| Notes | inker id by Bob Hughes |
| Reprinted | in Superman (DC, 1939 series) #232 (December 1970-January 1971); in Superboy: The Greatest Team-Ups Ever Told (DC, 2010 series) #[nn] |
| Genre | humor |
| Script | Henry Boltinoff (signed) |
| Pencils | Henry Boltinoff (signed) |
| Inks | Henry Boltinoff (signed) |
| Letters | Henry Boltinoff |
| Synopsis | Aquaman has to fight off alien invaders underwater. |
| Genre | superhero |
| Pencils | Ramona Fradon |
| Inks | Ramona Fradon |
| Genre | children; humor |
| Script | Henry Boltinoff (signed) |
| Pencils | Henry Boltinoff (signed) |
| Inks | Henry Boltinoff (signed) |
| Letters | Henry Boltinoff |
| Genre | fact |
| Script | Jack Miller [as John Mallon] |
| Letters | typeset |
| Genre | superhero |
| Pencils | George Papp |
| Inks | George Papp |
| Reprinted | in Big Boy (Artima, 1956 series) #23 |