| 0 | - | cover | 1 | pencils: Charles Biro; inks: Charles Biro | Corporal Collins [Jim Collins] |
| 1 | On the Trail of the Bank Robbers | comic story | 10 | script: Will Harr; pencils: Jack Binder; inks: Jack Binder | |
| 2 | Mystery Thriller of the Month | comic story | 6 | | Stuart Logan (introduction, only appearance) |
| 3 | - | comic story | 1 | script: Bob Wood; pencils: Bob Wood; inks: Bob Wood | |
| 4 | The Baston Murder Case | comic story | 5 | pencils: Maurice Gutwirth; inks: Maurice Gutwirth | Baston (introduction, death); Riggs (villain, introduction) |
| 5 | The Master Plan of Billy Wolf | comic story | 2 | pencils: Dick Ryan; inks: Dick Ryan | Billy Wolf (villain) |
| 6 | The Story of the Famous Pope Diamond Mystery | comic story | 6 | pencils: Charles Biro; inks: Charles Biro | Scoop Cody; The Marvel; Mrs. Lancelot van Meter |
| 7 | Red Grange | comic story | 1 | script: Irwin Hasen; pencils: Irwin Hasen; inks: Irwin Hasen; letters: Irwin Hasen | |
| 8 | All Quiet on the Western Front | comic story | 6 | script: Abner Sundell; pencils: Charles Biro; inks: Charles Biro | The Nazis (villains) |
| 9 | Frame-Up | text story | 2 | script: Phil Sturm | |
| 10 | The Sea Monster | comic story | 6 | script: George Nagle; pencils: Edd Ashe; inks: Edd Ashe | Spike Wood (villain, introduction, death); Dr. Cardo (introduction, death); a sea monster (introduction); Red Dugan (introduction) |
| 11 | The Lost Ship | comic story | 6 | pencils: Maurice Gutwirth; inks: Maurice Gutwirth | The Wreckers (villain, introduction) |
| 12 | The Downfall of Snaky Simms | comic story | 6 | script: Harry Shorten; pencils: Irv Novick; inks: Irv Novick | Snaky Simms (villain, introduction); his gang (villains, introduction) |
| 13 | The Los Angeles Killers | comic story | 6 | script: Jack Cole; pencils: Jack Cole; inks: Jack Cole | |
| 14 | Boys and Girls Win a Prize For Your Letter | letters page | 1 | pencils: ? (illustrations); inks: ? (illustrations); letters: typeset | |