| 0 | The Titanic Superboy! | cover | 1 | pencils: Curt Swan; inks: George Klein; letters: Ira Schnapp | Superboy; Clark Kent; Lana Lang |
| 2 | Part I: The Legionnaire's Super-Contest! | comic story | 7.67 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte; letters: Joe Letterese | Legion of Super-Heroes [Superboy; Saturn Girl; Bouncing Boy; Sun Boy; Brainiac 5; Lightning Lad; Cosmic Boy; Chameleon Boy]; Legion of Substitute-Heroes [Night Girl; Stone Boy; Fire Lad; Chlorophyll Kid; Polar Boy] |
| 3 | Adventure Comics; Tales of the Legion of Super-Heroes | promo (ad from the publisher) | 0.33 | | |
| 4 | Giant Superman Annual; Giant Batman Annual | promo (ad from the publisher) | 1 | | |
| 5 | Your Free Trip Around the World! | public service announcement | 1 | script: Jack Schiff; pencils: Sheldon Moldoff; inks: Sheldon Moldoff; letters: Ira Schnapp | an old sea captain; two boys |
| 6 | Part II: The Winner of the Super-Tests! | comic story | 7.67 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte; letters: Joe Letterese | Legion of Super-Heroes [Superboy; Saturn Girl, Bouncing Boy; Lightning Lad; Sun Boy; Brainiac 5; Chameleon Boy]; Legion of Substitute-Heroes [Night Girl; Stone Boy; Fire Lad; Chlorophyll Kid; Polar Boy] |
| 7 | Coming... Super-Attractions! | promo (ad from the publisher) | 0.33 | | |
| 8 | What's Your Superboy I.Q.? | promo (ad from the publisher) | 1 | | |
| 9 | - | letters page | 1 | letters: typeset | |
| 10 | The Titanic Boy of Steel! | comic story | 9 | script: Mort Weisinger; pencils: George Papp; inks: George Papp; letters: Joe Letterese | Superboy; Jonathan Kent; Martha Kent; Lana Lang; Pete Ross; Colossal Boy |
| 11 | - | promo (ad from the publisher) | 1 | | |