| 0 | - | cover | 1 | pencils: Chuck Cuidera; inks: Chuck Cuidera | The Green Mask [Michael Shelby]; Domino [Don] |
| 1 | - | promo (ad from the publisher) | 1 | script: ? (ad copy); letters: typeset | Blue Beetle [Dan Garret]; Samson; Yarko; Flame [Gary Preston]; Dart; Black Lion; Green Mask [Michael Shelby]; Rex Dexter |
| 2 | Radion the Racketeer | comic story | 20 | pencils: Walter Frehm; inks: Walter Frehm | The Green Mask [Michael Shelby]; Radion [Pelson] (first appearance, villain); Jerry; Domino; News Blake |
| 3 | The Electron Beam Weapon | comic story | 11 | pencils: Walter Frehm; inks: Walter Frehm | The Green Mask [Michael Shelby]; Marilyn Rich (first appearance, villain); Domino; News Blake; Richard Kendall; Mr. Smith |
| 5 | The Brain Strikes | comic story | 8 | pencils: Walter Frehm; inks: Walter Frehm | The Green Mask [Michael Shelby]; The Brain (first appearance, villain); Domino; Dudley Carstairs; Cynthia Cane; Slinky Dolan; Stupe Moran |
| 6 | Quicksands of Doom | text story | 2 | script: N. N. Nathaniel | Jerry Mardsen; Frank Huntley |
| 7 | Trouble in Gun Hollow | comic story | 4 | pencils: Art Peddy; inks: Art Peddy | Waco Kid; Brazos Teale; Craig Bridger; Flash (horse) |
| 8 | Flame; Wonderworld Comics | promo (ad from the publisher) | 1 | script: ? (ad copy) | Flame [Gary Preston] |
| 9 | Gang-Buster Appointed by Gov. Harmon | comic story | 5 | pencils: George Tuska; inks: George Tuska | Spike McGinty; Richard G. Robinson; Pinky; Dan |
| 10 | The Panama Canal Affair | comic story | 6 | script: Will Eisner; pencils: Bob Powell; inks: Bob Powell | Richard Anthony [D-13]; Manata; Sancho |
| 11 | Bull Thompson, the Pirate | comic story | 4 | pencils: Art Peddy; inks: Art Peddy | Captain Savage; Bull Thompson; Hardtack |
| 13 | Black Lion | promo (ad from the publisher) | 1 | script: ? (ad copy); letters: typeset | Black Lion; Flame [Gary Preston] |