| 0 | - | cover | 1 | pencils: Creig Flessel; inks: Creig Flessel | |
| 1 | Mystery!.. Thrills! | promo (ad from the publisher) | 0.67 | pencils: Creig Flessel; inks: Creig Flessel | |
| 2 | - | credits, title page | 0.33 | letters: typeset | |
| 3 | The Train Robbery, Part 20 | comic story | 3 | script: Homer Fleming; pencils: Homer Fleming; inks: Homer Fleming | |
| 4 | Episode 16 | comic story | 4 | script: Malcolm Wheeler-Nicholson; pencils: Tom Hickey; inks: Tom Hickey | Ian Murray; Doris Whipple; Pan Chi-Lou; Reilly |
| 5 | - | comic story | 1 | script: Alger; pencils: Alger; inks: Alger | |
| 6 | - | cartoon | 0.3 | script: Russell Cole; pencils: Russell Cole; inks: Russell Cole | |
| 7 | It's a good habit to read the ads in New Adventure Comics | promo (ad from the publisher) | 0.15 | | |
| 10 | Episode 18 | comic story | 4 | script: Merna Gamble, Charles Dickens; pencils: Merna Gamble; inks: Merna Gamble | |
| 11 | - | comic story | 4 | script: Siegel; pencils: Shuster; inks: Shuster | Junior Federal Men Club [Burke; Dorgan; Tim] |
| 12 | - | in-house column | 2 | script: ? (in character as Steve Carson); letters: typeset | |
| 13 | Episode 18 | comic story | 2 | script: Malcolm Wheeler-Nicholson; pencils: Anthony; inks: Anthony | Thorgen; Ivar; Sundgrid; Bjorn |
| 14 | - | comic story | 2 | script: R. A. Burley; pencils: R. A. Burley; inks: R. A. Burley | Cal; Alec |
| 15 | Jonah Jones | comic story | 2 | script: Whit Ellsworth; pencils: Whit Ellsworth; inks: Whit Ellsworth | Jonah Jones (only appearance) |
| 16 | David Livingstone | comic story | 1 | script: Richard Speed; pencils: Richard Speed; inks: Richard Speed | David Livingstone |
| 17 | - | letters page | 1 | script: Ann Leslie | |
| 18 | Episode 8 | comic story | 4 | script: Malcolm Wheeler-Nicholson; pencils: Munson Paddock; inks: Munson Paddock | Stewart; Elsa; Miller; Drenoff |
| 19 | - | cartoon | 2 | script: Vin Sullivan; pencils: Vin Sullivan; inks: Vin Sullivan | |
| 20 | - | comic story | 2 | script: R. A. Burley; pencils: R. A. Burley; inks: R. A. Burley | |
| 21 | Episode 15 | comic story | 4 | script: Malcolm Wheeler-Nicholson, H. Rider Haggard; pencils: Sven Elvén; inks: Sven Elvén | Holly; Leo; Job; She |
| 22 | - | comic story | 2 | script: Ellis Edwards; pencils: Ellis Edwards; inks: Ellis Edwards | |
| 23 | The Tsin Lee Incident, Part 8 | comic story | 2 | script: Will Ely; pencils: Will Ely; inks: Will Ely | |
| 24 | - | comic story | 2 | script: Alger; pencils: Alger; inks: Alger | |
| 25 | - | text article | 1.8 | script: I. W. Magovern | Joe E. Brown; Al Ritz; Jimmy Ritz; Harry Ritz |
| 27 | Shifty Smith | comic story | 8 | script: Alger; pencils: Alger; inks: Alger | Shifty Smith (only appearance) |
| 28 | Pearl of the Bleeding Heart, Part 5 | comic story | 4 | script: Will Ely; pencils: Will Ely; inks: Will Ely | Job (villain); Captain of the Mary Lou (introduction); Nadir; Arcot |
| 29 | Rajah Marajah, Part 17 | comic story | 4 | script: Homer Fleming; pencils: Homer Fleming; inks: Homer Fleming | |
| 30 | - | comic story | 1 | script: Alger; pencils: Alger; inks: Alger | |
| 31 | Winnfield | comic story | 1 | script: Gill Fox; pencils: Gill Fox; inks: Gill Fox | Winnfield (only appearance) |