| Issue | #236 |
| Published | April 1971 |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [July 2007] Inks previously credited to Neal Adams. |
| Characters | Superman; Lois Lane; demons |
| Synopsis | Demons taunting Superman to enter the Gates of Hell as Lois pleads inside for help |
| Genre | superhero |
| Pencils | Neal Adams |
| Inks | Dick Giordano |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [July 2007] Inks previously credited to Neal Adams. |
| Reprinted | in Supermann (Williams Forlag A/S, 1969 series) #10/1971 |
| Characters | Superman; Batman; Raphael; Michael; Jimmy Olsen; Lois Lane; Law officers of planet Beta U; Fortress of Solitude; Gabriel (villain) |
| Genre | superhero |
| Script | Denny O'Neil |
| Pencils | Curt Swan |
| Inks | Murphy Anderson |
| Reprinted | in Best of DC, The (DC, 1979 series) #12; in Super Heroes, The (Egmont Magazines, 1980 series) #v1#1 (October 1980) [in black and white]; in Supermann (Williams Forlag A/S, 1969 series) #10/1971 |
| Script | E. Nelson Bridwell |
| Notes | letters page |
| Characters | Superman; Green Arrow; Black Canary; Dr. Mo-De; Krypton |
| Synopsis | Superman tells Green Arrow and Black Canary the story of a Kryptonian scientist whose warnings of impending doom went unheeded because his fellow citizens of Surrus were too distracted by musical flowers. |
| Genre | super-hero; science fiction |
| Script | Denny O'Neil |
| Pencils | Dick Giordano |
| Inks | Dick Giordano |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Reprinted | in Best of DC, The (DC, 1979 series) #40 (September 1983); in Superman: The World of Krypton (DC, 2008 series) #nn |