| 0 | The Challenge of the Mask | cover | 1 | pencils: Harry Peter; inks: Harry Peter | Wonder Woman [Diana Prince]; The Mask [Nina Close] |
| 1 | Editorial Advisory Board | promo (ad from the publisher) | 0.33 | letters: typeset | |
| 2 | The Flash; Flash Comics | promo (ad from the publisher) | 0.67 | | |
| 3 | Tutine, the Tutor of Destruction | comic story | 12 | script: Charles Moulton; pencils: Harry Peter; inks: Harry Peter, Arlene | Wonder Woman [Diana Prince]; Steve Trevor; General Darnell; Principal Smith (of Central High School, introduction); Hardy Strive (student, introduction); Ezy Waye (student, introduction); C. Tutine (villain, racketeer, introduction); Tutine's gang [Bignose; rest unnamed] (villains, introduction for |
| 6 | Maria Mitchell | comic story | 2 | pencils: Robert Sale; inks: Robert Sale | Maria Mitchell |
| 9 | The Challenge of the Mask | comic story | 12 | script: Charles Moulton; pencils: Harry Peter; inks: Harry Peter, Arlene | Wonder Woman [Diana Prince]; Steve Trevor; Etta Candy; the Holliday Girls; Brutus Close (Nina's husband, introduction); Fancy Framer (a guide, introduction); The Mask [Nina Close] (villain, introduction) |
| 11 | - | cartoon | 0.5 | script: Harry Lampert; pencils: Harry Lampert; inks: Harry Lampert; letters: Harry Lampert | |
| 13 | The Brave Buckaroo | text story | 2 | script: Jim Robinson | |
| 14 | - | cartoon | 0.5 | script: Harry Lampert; pencils: Harry Lampert; inks: Harry Lampert; letters: Harry Lampert | |
| 16 | The Curse of Montezuma | comic story | 12 | script: Charles Moulton; pencils: Harry Peter; inks: Harry Peter, Arlene | Wonder Woman [Diana Prince]; Steve Trevor; General Darnell; Etta Candy; Queen Hippolyte (in the year 1519); the Amazons; Azta (villain, an Aztec Queen, introduction); Emperor Montezuma (villain, Aztec ruler, introduction, flashback); Hernando Cortez (villain, a conquistador, introduction, flashback) |
| 18 | All-Star Comics; The Justice Society of America | promo (ad from the publisher) | 1 | | |