| 0 | 80 pg. Giant Issue No. 8 | cover | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; colors: Digital Chameleon; letters: Todd Klein | Justice League of America [Wonder Woman [Diana Prince]; Green Lantern [Hal Jordan]; Batman [Bruce Wayne]; Green Arrow [Oliver Queen]; Martian Manhunter [J'onn J'onzz]; Aquaman [Arthur Curry]; Flash [Barry Allen]]; Robin [Dick Grayson]; The Atom [Ray Palmer]; Superman [Clark Kent; also as Superboy; a |
| 1 | Table of Contents | table of contents | 1 | letters: typeset | |
| 2 | The Origin of the Justice League | comic story | 25 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs; letters: Gaspar Saladino | Justice League of America [Aquaman [Arthur Curry]; Batman [Bruce Wayne]; Flash [Barry Allen]; Green Lantern [Hal Jordan]; Martian Manhunter [J'onn J'onzz; aka John Jones]; Superman [Clark Kent]; Wonder Woman [Diana Prince]; Green Arrow [Oliver Queen]]; Snapper Carr; Appellax aliens (flashback); Amaz |
| 3 | 10 Issues of Your Favorite Magazine | promo (ad from the publisher) | 2 | letters: typeset | |
| 4 | Birth of the Atom! | comic story | 9.67 | script: Gardner Fox; pencils: Gil Kane; inks: Murphy Anderson; letters: Gaspar Saladino | Atom [Ray Palmer]; Jean Loring |
| 5 | Origins of Legendary Heroes | text article | 2 | letters: typeset | |
| 6 | - | comic story | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | Little Pete |
| 7 | How Aquaman Got His Powers! | comic story | 6.67 | script: Robert Bernstein; pencils: Ramona Fradon; inks: Ramona Fradon; editing: Mort Weisinger | Aquaman [Arthur Curry] (origin); Atlanna (flashback); Tom Curry (flashback); Commander Haskel |
| 8 | The Man from Robin's Past | comic story | 7.67 | script: Bill Finger; pencils: Sheldon Moldoff; inks: Charles Paris; letters: Stan Starkman | Batman [Bruce Wayne]; Robin [Dick Grayson] (origin re-told); The Flying Graysons (Dick's parents, both die, flashback); Sando (circus friend of Dick's); Sando's son; Limey Lou (villain, fence); Lou's gang (villains, jewel thieves) |
| 9 | The Origin of Flash's Masked Identity! | comic story | 7 | script: John Broome; pencils: Carmine Infantino; inks: Joe Giella | The Flash [Barry Allen]; The Flash [Jay Garrick] (on a Golden Age cover that Barry Allen is holding); Dr. Bailey (Jay's physician); art thieves (villains) |
| 10 | The Story of Superman's Life! | comic story | 12.67 | script: Otto Binder; pencils: Al Plastino; inks: Al Plastino; editing: Mort Weisinger | Superman [Clark Kent; Kal-El; also as Superboy] (origin retold in detail); Jor-El; Zor-El; Lara; Jonathan Kent; Martha Kent; Lana Lang; Krypto; Lex Luthor (villain); Jimmy Olsen; Lois Lane; Perry White |
| 11 | Superboy Says: "Don't Give Fire a Place to Start!" | public service announcement | 1 | script: Jack Schiff; pencils: Win Mortimer; inks: Win Mortimer; letters: Ira Schnapp | Superboy |
| 12 | Just Imagine... | promo (ad from the publisher) | 1 | letters: Todd Klein | |