| Issue | #191 |
| Published | November 1966 |
| Cover Price | 0.12 |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Superman; DEMON |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Reprinted | in Superman From the Thirties to the Eighties (Crown Publishers, Inc., 1983 series) #nn |
| Characters | Superman; DEMON (intro, villains, an evil organization); Maharajah of Sinsuhani (intro, death); Lois Lane; Jimmy Olsen; Perry White |
| Genre | superhero |
| Script | Jim Shooter |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Characters | Dr. Demo [Prince Krishna] (intro); Superman; DEMON (villains); Lois Lane; Jimmy Olsen |
| Genre | superhero |
| Script | Jim Shooter |
| Pencils | Al Plastino |
| Inks | Al Plastino |