| Issue | #351 |
| Published | September 1980 |
| Cover Price | $0.50 |
| Pages | 36 |
| Editing | Julius Schwartz |
| Characters | Superman; Mr. Mxyzptlk |
| Genre | superhero |
| Pencils | Ross Andru (signed) |
| Inks | Dick Giordano (signed) |
| Characters | Superman; Professor Tolkein; Arthur Borley; Dave Hammond; Steve Power; Stan Rivers; Margo Payne; Lana Lang; Lois Lane; Jimmy Olsen |
| Synopsis | Superman destroys the energy monster accidentally created by Professor Tolkein. |
| Genre | superhero |
| Script | Gerry Conway |
| Pencils | Curt Swan |
| Inks | Frank Chiaramonte |
| Colors | Adrienne Roy |
| Letters | Ben Oda |
| Notes | Story continued from previous issue. |
| Letters | Typeset |
| Characters | Mr. Mxyzptlk; Superman; Juan Garcia; Matthew; Lois Lane |
| Synopsis | Juan Garcia helps Superman get rid of Mr. Mxyzptlk at the circus. |
| Genre | superhero |
| Script | Denny O'Neil |
| Pencils | Jose Luis Garcia-Lopez |
| Inks | Jose Luis Garcia-Lopez |
| Colors | Adrienne Roy |
| Letters | Ben Oda |