| 0 | - | cover | 1 | pencils: Charles Biro; inks: Charles Biro | Steel Sterling |
| 1 | The Puppet Master's Murders | comic story | 14 | script: Joe Blair; pencils: Charles Biro; inks: Charles Biro | Steel Sterling [John Sterling]; Clancy McGinty (Police); Dora Cummings; Looney; V: The Puppet Master (I; Gargulio) |
| 2 | The Great Magic Contest | comic story | 8 | script: R. Louis Golden; pencils: R. Louis Golden; inks: R. Louis Golden | Dicky Farenwell; Farenwell (Dicky's father); GS: Mr. Sage; V: Mr. Magico (I) |
| 3 | The Oil Derrick Murder | comic story | 6 | pencils: Frank Volpe; inks: Frank Volpe | Nevada Jones; Little Joe (sidekick); I: Amy, Mr. Goldsmith; V: Sheriff Slagg (I, D) |
| 4 | The Case of the Kill-Crazy Gorilla | comic story | 6 | script: Joe Blair; pencils: Sam Cooper; inks: Sam Cooper | Red Reagan (police detective); Bertie Randolph (assistant); V: Claude Dutton (introduction); Earl Nelson (introduction, death); Paul Anderson (introduction, death); Count D'Andria (introduction); Ruth D'Andria (introduction) |
| 5 | The Hidden Explosive Formula | comic story | 8 | script: Joe Blair; pencils: Ed Smalle; inks: Ed Smalle | Tim Shane (pilot); Tom Shane (pilot); I: Swen Olsen; V: Nazis |
| 6 | - | promo (ad from the publisher) | 1 | | |
| 7 | Mystery of the Secluded City | comic story | 8 | script: Joe Blair; pencils: Mort Meskin; inks: Mort Meskin | Captain Valor; GS: Angie; Ronnie; Dallas; Big Dip; V: Ab-Ah-Ner (I; named after Abner Sundell) |
| 8 | The House of the Gilded Lily | comic story | 6 | script: Harry Shorten; pencils: Carl Hubbell; inks: Carl Hubbell | The Scarlet Avenger [Jim Kendall]; Inez Courtney [Operative No.1]; GS: Ah Ling; V: Kim Lee (I) |
| 9 | Mayhem in the Marine Auditorium | comic story | 7 | script: Joe Blair; pencils: Lin Streeter; inks: Lin Streeter | Zambini (magician); I: Teddy Watson; V: Smith (I) |