| Issue | #187 |
| Published | June 1966 |
| Cover Price | 0.25 USD |
| Pages | 84 |
| Editing | Mort Weisinger |
| Notes | 80 pg. Giant G-23 |
| Characters | Superman; Jimmy Olsen; Kandor; Fortress of Solitude |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Notes | 80 pg. Giant G-23 |
| Reprinted | in Superman in the Sixties (DC, 1999 series) #[nn] |
| Characters | Superman; Lois Lane; Jimmy Olsen; Perry White; Jor-El; Fortress of Solitude |
| Genre | Superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Reprinted | from Action Comics (DC, 1938 series) #261 |
| Characters | Superman; Kandor; Anti-Superman Gang (villains); Mars-Ol; Ra-Ho; Lois Lane (statue); Jimmy Olsen (statue); Jor-El (statue); Perry White (statue); Fortress of Solitude; Martha Kent (statue); Lori Lemaris (statue); Urko the Terrible (flashback) |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Reprinted | from Action Comics (DC, 1938 series) #261 |
| Characters | Superman; Jimmy Olsen; Van-Zee; Sylvia; Lili; Lyle; Kandor; Lucy Lane; Lona Lemais; Fortress of Solitude |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Reprinted | from Superman's Pal, Jimmy Olsen (DC, 1954 series) #53 |
| Characters | Fortress of Marvels (pictures); Krypto's Doghouse of Solitude (pictures); Fortress of Bizarro; Fortress of Crowds; Supergirl's Fortress of Solitude; Superman of the 30th Century's Fortress of Solitude; Hyper-Man's Fortress of Solitude; Luthor's Lair |
| Genre | Superhero |
| Script | E. Nelson Bridwell |
| Letters | typeset |
| Notes | history of "other" Fortresses of Solitude |
| Genre | Superhero |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Reprinted | from Action Comics (DC, 1938 series) #164 |
| Characters | Superman; Prankster (statue); Stefan Andriessen; Lois Lane; Perry White; Superman Museum (intro, origin) |
| Genre | superhero |
| Script | Bill Woolfolk |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Reprinted | from Action Comics (DC, 1938 series) #164 |
| Characters | Superman; Fortress of Solitude |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | John Sikela |
| Inks | John Sikela |
| Reprinted | from Superman (DC, 1939 series) #17 [2 page excerpt] |
| Characters | Superman [Kal-El]; Lois Lane; Fortress of Solitude; Jor-El (statue); Lara (statue) |
| Synopsis | Lois spends three nights in the Fortress of Solitude. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Kurt Schaffenberger |
| Inks | Kurt Schaffenberger |
| Editing | Mort Weisinger (original) |
| Reprinted | from Superman's Girl Friend, Lois Lane (DC, 1958 series) #14 (January 1960) |
| Characters | Superman |
| Genre | Superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Reprinted | from Action Comics (DC, 1938 series) #244 |
| Characters | Superman; Lois Lane; Jimmy Olsen; Perry White; Vul-Kor; Lya-La; Superman's Underwater Fortress of Solitude |
| Synopsis | Superman pretends to join forces with underwater-dwelling aliens in order to trick them into believing Earth's seas are too salty for them. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Reprinted | from Action Comics (DC, 1938 series) #244 |
| Genre | Superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Reprinted | from Action Comics (DC, 1938 series) #233 |
| Characters | Superman; Borgonia; Lois Lane; Torm (villain) |
| Genre | superhero |
| Script | Jerry Coleman |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Reprinted | from Action Comics (DC, 1938 series) #233 |