| 0 | Thief with the Tricky Toy! | cover | 1 | pencils: Gil Kane; inks: Murphy Anderson; letters: Ira Schnapp | The Atom, Ray Palmer |
| 1 | Riddle of the Far-Out Robbery! | comic story | 12.34 | script: Gardner Fox; pencils: Gil Kane; inks: Sid Greene; letters: Gaspar Saladino | The Atom, Ray Palmer |
| 3 | Warning! | promo (ad from the publisher) | 0.33 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 4 | Science Says You're Wrong If You Believe That... | comic story | 1 | script: Julius Schwartz; pencils: Morris Waldinger; inks: Tom Nicolosi; letters: Milt Snapinn | |
| 5 | The Invisible Handicap! | public service announcement | 1 | script: Jack Schiff; pencils: Sheldon Moldoff; letters: Ira Schnapp | |
| 7 | DC's Immortal 6! | promo (ad from the publisher) | 0.5 | pencils: Joe Kubert; inks: Joe Kubert; letters: Ira Schnapp | |
| 8 | DC Blazes a New Path in Comics History! | promo (ad from the publisher) | 0.33 | pencils: Bob Brown; inks: Bob Brown; letters: Ira Schnapp | |
| 9 | Amazing Ratios | comic story | 1 | script: Julius Schwartz; pencils: Morris Waldinger; inks: Tom Nicolosi; letters: Milt Snapinn | |
| 10 | Thief with the Tricky Toy! | comic story | 10.67 | script: Gardner Fox; pencils: Gil Kane; inks: Sid Greene; letters: Gaspar Saladino | The Atom, Ray Palmer |
| 12 | - | promo (ad from the publisher) | 1 | pencils: Curt Swan; inks: George Klein; letters: Ira Schnapp | Clark Kent, Mr. Mxyzptlk, Superman |
| 13 | You Are Invited to Join the Justice League! | promo (ad from the publisher) | 0.33 | pencils: Mike Sekowsky; inks: Murphy Anderson; letters: Ira Schnapp | |
| 14 | - | letters page | 1 | script: Julius Schwartz | |
| 15 | - | cartoon | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | |
| 16 | Definitely Coming... | promo (ad from the publisher) | 0.5 | letters: Ira Schnapp | |