| 0 | Secret of the Dinosaur Skeleton! | cover | 1 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 2 | Secret of the Dinosaur Skeleton! | comic story | 8.67 | script: Gardner Fox; pencils: Gil Kane; inks: Joe Giella | Kandar; Jim Hanson; Oarda |
| 3 | - | promo (ad from the publisher) | 0.33 | pencils: Carmine Infantino; inks: Murphy Anderson; letters: Ira Schnapp | |
| 4 | From Many Lands... | public service announcement | 1 | script: Jack Schiff; pencils: Lou Cameron; inks: Lou Cameron; letters: Ira Schnapp | |
| 5 | The Fantastic Fingers of Felix Faust! | promo (ad from the publisher) | 0.67 | pencils: Murphy Anderson; inks: Murphy Anderson; letters: Ira Schnapp | |
| 6 | Now in a Magazine of His Own! | promo (ad from the publisher) | 0.33 | pencils: Nick Cardy; inks: Nick Cardy; letters: Ira Schnapp | |
| 7 | The Man Who Climbed Into Space! | comic story | 7.67 | script: Gardner Fox; pencils: Mike Sekowsky; inks: Bernard Sachs | |
| 8 | The Flash; Green Lantern | promo (ad from the publisher) | 0.33 | | |
| 9 | - | letters page | 1 | script: Julius Schwartz; pencils: Morris Waldinger; inks: Tom Nicolosi | |
| 10 | - | cartoon | 1 | script: Julius Schwartz; pencils: Morris Waldinger; inks: Tom Nicolosi; letters: Milt Snapinn | |
| 11 | The Attack of the Giant Dogs! | comic story | 8.67 | script: John Broome; pencils: Murphy Anderson; inks: Murphy Anderson | Atomic Knights [Gardner Grayle; Douglas Herald; Marene Herald; Wayne Hobard; Hollis Hobard; Bryndon Smith]; the Khagan |
| 12 | More Startling Than Tomorrow's Science Fiction | promo (ad from the publisher) | 0.33 | pencils: Ross Andru; inks: Mike Esposito; letters: Ira Schnapp | |
| 14 | Ophiuchus and Aquila | cartoon | 0.5 | script: Julius Schwartz; pencils: Morris Waldinger; inks: Tom Nicolosi; letters: Milt Snapinn | |