| 0 | The World's Whackiest Inventors! | cover | 1 | pencils: Win Mortimer; inks: Win Mortimer | Superboy [Clark Kent]; Mr. Dornley |
| 1 | Superman Says: "It's Smart to Check-- And Doublecheck!" | public service announcement | 1 | script: Jack Schiff; pencils: Win Mortimer; inks: Win Mortimer; letters: Ira Schnapp | |
| 2 | The World's Whackiest Inventions | comic story | 12 | pencils: Curt Swan; inks: John Fischetti | Superboy [Clark Kent]; Caspar Otis; Barton Blount; Sam Willenson; Mr. Dornley; Mr. Quibby |
| 5 | - | comic story | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | |
| 6 | The Raft of Doom! | comic story | 5.67 | pencils: Ramona Fradon; inks: Ramona Fradon | Aquaman [Arthur Curry] |
| 8 | - | comic story | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | |
| 10 | Message to Parents | public service announcement | 0.5 | letters: typeset | |
| 11 | Editorial Advisory Board | promo (ad from the publisher) | 0.5 | | |
| 12 | The Modern Paul Bunyan! | comic story | 6 | pencils: Paul Norris; inks: Sy Barry | Johnny Quick; Tubby Watts; Paul Bunyan (statue) |
| 13 | - | comic story | 2 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | |
| 14 | Ageless Weapons of War | text article | 2 | pencils: Raymond Perry; inks: Raymond Perry | |
| 15 | Green Arrow's New Partner! | comic story | 7.67 | pencils: George Papp; inks: George Papp | Green Arrow [Oliver Queen]; Speedy [Roy Harper]; Todd Garnett |
| 16 | The Adventures of Dean Martin and Jerry Lewis | promo (ad from the publisher) | 0.33 | | |
| 17 | Explosive Action! | promo (ad from the publisher) | 1 | | |