Fortress of Solitude appears in 98 issues in this volume.
The Ghost Of Lois Lane / Clark Kent Fireman of Steel! / The Girl in Superman's Past!
Superman's Other Life!
Titano, The Super-Ape! / Superman's Black Magic! / The Mermaid From Atlantis!
The New Life of Super-Merman! / The Jolly Jailhouse! / The Untold Story of Red Kryptonite!
The Son of Bizarro!
October 1, 1960
The Super-Weapon! / Superboy's First Public Appearance! / The Orphans of Space!
The 20th Century Achilles! / Mr. Mxyzptlk's Super-Mischief! / Superman Owes a Billion Dollars!
The Death of Superman!
The Three Tough Teen-Agers! / The Man Who Trained Superman! / Superman's Greatest Secret!
The Robot Master! / Superbaby Captures the Pumpkin Gang! / The TV Trap for Superman!
The Underwater Pranks of Mr. Mxyzptlk! / Krypton's First Superman!
The Last Days of Superman!
The Super-Revenge of the Phantom Zone Prisoner!
The Amazing Story of Superman-Red and Superman-Blue!
Wonder-Man, the New Hero of Metropolis! / The Goofy Superman!
The Fantastic Story of Superman's Sons!
The Team of Luthor and Brainiac!
Luthor - - Super-Hero!
Superman’s Sacrifice! / The Curse Of Magic! / The Nightmare Ordeal of Superman!
The Tyrant Superman!
The Untouchable Clark Kent! / Tales of Green Kryptonite No. 1 / The Triumph of Luthor and Brainiac!
Clark Kent's Incredible Delusion! / Super-Mxyzptlk... Hero!
Clark Kent's Brother!
The Revenge of the Super-Pets! / Tales of Green Kryptonite No. 2 / Superman's Day of Truth!
Superman's Kryptonese Curse! / The Menace Called "It"! / When Jimmy Olsen Stole Krypto From Superman
The Outlaw Fort Knox! / The Menace Of Gold Kryptonite! / Private Kent, The Fighting Marine!
The Super-Scoops of Morna Vine! / The Superman of 2965!
The New Lives of Superman! / The Menace of the Terrible Toyman!
Superman's Achilles Heel! / Target Superman!
The Fury of the Kryptonian-Killer!
The Real Clark Kent! / The Fate of the Super-Super-Superman!
Clark Kent Abandons Superman!
Clark Kent's Biggest Day! / Superman's Black Magic! / When Superman Killed His Friends!
The Case of the Lethal Letters! / The Duplicate Superman! / The Fortress of Fear!
The Man Who Destroyed Krypton!
The Clark Kent Monster! / The Super-Servant of Crime
Lois Lane... Dead... Yet Alive / Superman's First Exploit
Superman's Secret Past! / The World of Mr. Mxyzptlk!
Half a Hero!
The Secret of the Superman Impostor!
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