| 0 | The Mystery Man of Tombstone | cover | 1 | pencils: Dick Sprang; inks: Charles Paris | |
| 1 | Editorial Advisory Board | promo (ad from the publisher) | 0.33 | letters: typeset | |
| 2 | America's Greatest Comics Characters | promo (ad from the publisher) | 0.67 | | |
| 3 | The Mystery Man of Tombstone | comic story | 8 | script: Jack Schiff, Mort Weisinger, Bernie Breslauer; pencils: Dick Sprang; inks: Charles Paris | Billy Breckenridge; Johnny Ringo |
| 6 | Noah's Ark in New York | comic story | 4 | script: Jack Schiff, Mort Weisinger, Bernie Breslauer; pencils: Ed Smalle; inks: Ed Smalle | |
| 8 | Are You a Good Detective? Test Your Wits! | comic story | 3 | | |
| 10 | He Conquered the Stratosphere | comic story | 3 | script: Jack Schiff, Mort Weisinger, Bernie Breslauer; pencils: Howard Sherman | Auguste Picard; Paul Kipfer |
| 12 | Junior Journal | cartoon | 2 | script: Stookie Allen; pencils: Stookie Allen; inks: Stookie Allen | Joe Franklig; Joe Steryly; Jean Adams; Frances Utay; Leon Quezeda; Edna Boyd |
| 13 | Facts | cartoon | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | |
| 15 | Peril at Paricutin | comic story | 4 | script: Jack Schiff, Mort Weisinger, Bernie Breslauer | |
| 17 | The Greatest Athlete of All Time | comic story | 3.5 | script: Jack Schiff, Mort Weisinger, Bernie Breslauer | Jim Thorpe |
| 19 | The Story of Old Ironsides | text article | 2 | pencils: Raymond Perry; inks: Raymond Perry | |
| 20 | Detective Kane | comic story | 1 | script: Stookie Allen; pencils: Stookie Allen; inks: Stookie Allen | Charles F. Kane |
| 23 | The King of Inventors | comic story | 6 | script: Jack Schiff, Mort Weisinger, Bernie Breslauer | John Hays Hammond Jr. |
| 24 | Facts | cartoon | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | |