| Issue | #21 |
| Published | September 1981 |
| Cover Price | 0.50 |
| Pages | 36 |
| Editing | Julius Schwartz |
| Genre | superhero |
| Pencils | Kurt Schaffenberger |
| Inks | Dave Hunt |
| Characters | Lana Lang; Ma Kent; Pa Kent; Introduction: Huey McKay |
| Synopsis | A promoter tries to gain the rights to market Superboy |
| Genre | superhero |
| Script | Cary Bates |
| Pencils | Kurt Schaffenberger |
| Inks | Dave Hunt |
| Colors | Jerry Serpe |
| Letters | Todd Klein |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [May 2008] |
| Characters | Red sun world; Ma and Pa Kent: |
| Genre | superhero |
| Script | Bob Rozakis |
| Pencils | John Calnan |
| Inks | Dave Hunt |
| Colors | Jerry Serpe |
| Letters | Milt Snapinn |
| Notes | Part 2. Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [May 2008] |