| 0 | The Royal Flush Gang! vs. The Justice League! | cover | 1 | pencils: Mike Sekowsky; inks: Murphy Anderson; letters: Ira Schnapp | Ace of Clubs, Barry Allen, The Atom, Batman, Tom Dillon, The Flash, Amos Fortune, J'Onn J'Onzz, Jack, Jack of Clubs, Kerry, King of Clubs, Martian Manhunter, Princess Diana |
| 1 | History-Making Costumes of the Royal-Flush Gang! | comic story | 22 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Sid Greene; letters: Gaspar Saladino | Ace of Clubs, Barry Allen, The Atom, Batman, Tom Dillon, The Flash, Amos Fortune, J'Onn J'Onzz, Jack, Jack of Clubs, Kerry, King of Clubs, Martian Manhunter, Ray Palmer |
| 2 | Presenting the Man of the Hour -- Clark Kent! | promo (ad from the publisher) | 1 | pencils: Curt Swan; inks: George Klein; letters: Joe Letterese | |
| 3 | - | activity | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | |
| 4 | - | letters page | 1 | script: Julius Schwartz | |
| 5 | The Seas Quake at His Very Name... | promo (ad from the publisher) | 0.33 | pencils: Nick Cardy; inks: Nick Cardy; letters: Gaspar Saladino | |
| 6 | JLA Mail Room -- Extra | letters page | 1 | letters: typeset | |
| 7 | The Battle That Rocks the Universe! | promo (ad from the publisher) | 0.5 | pencils: Carmine Infantino; inks: Murphy Anderson; letters: Gaspar Saladino | |
| 8 | - | in-house column | 1 | pencils: Curt Swan; inks: George Klein | |
| 9 | Mystery of the Million-Dollar Briefcase! | public service announcement | 1 | script: Jack Schiff; pencils: Sheldon Moldoff; inks: Sheldon Moldoff; letters: Ira Schnapp | |