| 0 | - | cover | 1 | pencils: Carmine Infantino; inks: Dave DeVries | |
| 1 | Table of Contents | table of contents | 1 | letters: typeset | |
| 2 | The Ghosts of Frank and Dick Merriwell | foreword, introduction, preface, afterword | 4 | script: Julius Schwartz | |
| 3 | That Old-Time Magic | foreword, introduction, preface, afterword | 4 | script: Mike Gold | |
| 4 | The Terrible Trio | comic story | 10 | script: Bill Woolfolk; pencils: Wayne Boring; inks: Stan Kaye; colors: Bob Le Rose | Superman; Prankster; Toyman; Luthor |
| 5 | The Three Super Musketeers! | comic story | 12 | script: Edmond Hamilton; pencils: Dick Sprang, Al Plastino; inks: Stan Kaye | Superman; Batman; Robin; Professor Nichols; D'Artagnan |
| 6 | Superboy Meets Robin | comic story | 13 | script: Bill Finger; pencils: Al Plastino; inks: Al Plastino; colors: Eric Kachelhofer | |
| 7 | Manhunt on Land | comic story | 7 | script: Robert Bernstein; pencils: Ramona Fradon; inks: Ramona Fradon; colors: Helen Vesik; letters: Milton Snapinn | |
| 8 | The Underwater Archers | comic story | 7 | script: Robert Bernstein; pencils: Lee Elias; inks: Lee Elias; colors: Helen Vesik; letters: Joe Letterese | |
| 9 | The Flash of Two Worlds | comic story | 25 | script: Gardner Fox; pencils: Carmine Infantino; inks: Joe Giella; colors: Carl Gafford | |
| 10 | Crisis on Earth-One | comic story | 25 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs; colors: Glenn Whitmore; letters: Gaspar Saladino | |
| 11 | Crisis on Earth-Two | comic story | 25 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs; colors: Glenn Whitmore; letters: Gaspar Saladino | |
| 12 | Planets in Peril | comic story | 8 | script: Gardner Fox; pencils: Carmine Infantino; inks: Murphy Anderson; colors: Daniel Vozzo; letters: Gaspar Saladino | |
| 13 | Planets in Peril Chapter 2 | comic story | 10 | script: Gardner Fox; pencils: Murphy Anderson; inks: Murphy Anderson; colors: Daniel Vozzo; letters: Gaspar Saladino | |
| 14 | Planets in Peril Chapter 3 | comic story | 7 | script: Gardner Fox; pencils: Carmine Infantino; inks: Murphy Anderson; colors: Daniel Vozzo; letters: Gaspar Saladino | |
| 15 | The Challenge of the Expanding World | comic story | 25 | script: Bob Haney; pencils: Alex Toth; inks: Alex Toth; colors: Tom Ziuko | |
| 16 | The Thousand-and-One Dooms of Mr. Twister | comic story | 25 | script: Bob Haney; pencils: Bruno Premiani; inks: Bruno Premiani, Charles Paris; colors: Michele Wolfman | |
| 17 | No Evil Shall Escape My Sight | comic story | 25 | script: Denny O'Neil; pencils: Neal Adams; inks: Neal Adams; colors: Tony Tollin; letters: John Costanza | Green Lantern [Hal Jordan]; Green Arrow [Oliver Queen]; Jubal Slade; Guardians of the Universe; Jeremy Tine; Martin Luther King, Jr.; Robert Kennedy; Old Timer |
| 18 | The Greatest Green Lantern of All | comic story | 8 | script: Elliot Maggin; pencils: Dick Dillin; inks: Dick Giordano | |
| 19 | Paperchase | comic story | 17 | script: Alan Brennert; pencils: Jim Aparo; inks: Jim Aparo; colors: Adrienne Roy | |
| 20 | The Jungle Line | comic story | 23 | script: Alan Moore; pencils: Rick Veitch; inks: Al Williamson; colors: Tatjana Wood; letters: John Costanza | Superman [Clark Kent]; Swamp Thing; Lana Lang; Dr. Everett; Flash [Barry Allen] (cameo); Wonder Woman [Diana Prince] (cameo); Batman [Bruce Wayne] (cameo); Jimmy Olsen (cameo); Bloodmorel (a fungus) |
| 21 | Just Imagine, Your Favorite Heroes... | text article | 4 | script: Brian Augustyn | |