| 0 | - | cover | 1 | pencils: Brian Bolland; inks: Brian Bolland; colors: Brian Bolland | Superman [Clark Kent]; Flash [Barry Allen]; Green Lantern [Hal Jordan]; Martian Manhunter [John Jones]; Batman [Bruce Wayne] |
| 1 | Secret Origins | credits, title page | 1 | pencils: Dick Giordano; inks: Dick Giordano | Bruce Wayne [Batman]; Thomas Wayne; Martha Wayne; Joe Chill |
| 2 | - | credits, title page | 1 | letters: typeset | |
| 3 | Table of Contents | foreword, introduction, preface, afterword | 1 | pencils: Eric Shanower; inks: Eric Shanower | Justice League of America [Green Lantern [Hal Jordan]; Flash [Barry Allen]; Aquaman; Black Canary [Dinah Lance]; Martian Manhunter] |
| 4 | Legends | text article | 3 | script: Mark Waid; pencils: Joe Shuster, Carmine Infantino, Bob Kane, Sheldon Moldoff, Gil Kane, Mike Sekowsky; inks: Joe Shuster, Joe Kubert, Bob Kane, Sheldon Moldoff, Joe Giella, Bernard Sachs | Clark Kent [Superman]; Barry Allen [Flash]; Bruce Wayne [Batman]; Martha Wayne; Thomas Wayne; Green Lantern [Hal Jordan]; Justice League of America [Aquaman; Wonder Woman [Diana Prince]]; Martian Manhunter; Dr. Erdel |
| 5 | The Man Who Falls | comic story | 16 | script: Denny O'Neil; pencils: Dick Giordano; inks: Dick Giordano; colors: Tom McCraw; letters: John Costanza | Batman [Bruce Wayne]; Thomas Wayne; Martha Wayne; Master Kirigi; Henri Ducard; Willie Doggett (cameo); Tom Woodley (cameo); Alfred Pennyworth |
| 6 | The Haunting | comic story | 22 | script: John Byrne; pencils: John Byrne; inks: Dick Giordano; colors: Tom Ziuko; letters: John Costanza; editing: Andrew Helfer | Superman [Clark Kent; Kal-El]; Jonathan Kent; Martha Kent; Jor-El; Lara; Lana Lang; Lois Lane (cameo) |
| 7 | The Secret Origin of Green Lantern | comic story | 18 | script: Jim Owsley, Mark Bright, Robert Greenberger, Denny O'Neil; pencils: Mark Bright, Neal Adams; inks: José Marzan, Neal Adams; colors: Anthony Tollin; letters: Tim Harkins | Green Lantern [Hal Jordan]; Green Arrow [Oliver Queen]; Chip; Abin Sur; Hawk; Alyce; Dex |
| 8 | - | comic story | 12 | script: Mark Verheiden; pencils: Ken Steacy; inks: Ken Steacy; colors: Ken Steacy | Martian Manhunter [John Jones; J'Onn J'Onzz]; Dr. Erdel |
| 9 | Mystery of the Human Thunderbolt | comic story | 31 | script: Robert Fleming; pencils: Carmine Infantino; inks: Murphy Anderson; colors: Tom Ziuko; letters: Gaspar Saladino | Flash [Barry Allen]; Flash [Jay Garrick]; Iris West Allen; Top; Captain Boomerang [Digger Harkness]; Pied Piper; Heat Wave; Captain Cold; Mirror Master [Sam Scudder]; Weather Wizard; Trickster [James Jesse]; Abra Kadabra; Gorilla Grodd; Professor Zoom; Anti-Monitor; Prof. Ira West (cameo); Kid Flash |
| 10 | The Secret Origin of the Justice League of America: All Together Now | comic story | 38 | script: Keith Giffen, Peter David; pencils: Eric Shanower; inks: Eric Shanower; colors: Gene D'Angelo; letters: Gaspar Saladino | Justice League of America [Martian Manhunter [J'Onn J'Onzz, Manhunter from Mars]; Aquaman; Black Canary [Dinah Lance]; Green Lantern [Hal Jordan]; Flash [Barry Allen]; Batman [Bruce Wayne] (cameo); Green Arrow [Oliver Queen] (cameo); Atom [Ray Palmer] (cameo); Hawkman [Katar Hol] (cameo); Elongated |
| 11 | - | promo (ad from the publisher) | 1 | pencils: Dick Giordano; inks: Dick Giordano | Batman [Bruce Wayne] |