| 0 | - | cover | 1 | pencils: George Brenner; inks: George Brenner | Bozo; Hugh Hazzard; Black X [Richard Spenser] (inset); Wings Wendall (inset); Invisible Hood [aka Invisible Justice] (inset); Chic Carter (inset) |
| 1 | Mission to Finland | comic story | 9 | script: Erwin; pencils: Erwin; inks: Erwin | Black X [Richard Spenser]; Batu; Axel (introduction, death); Carrel (introduction, death); Tommy Carrel; the Russians (villains) |
| 2 | The Jersey Bank Job | comic story | 4 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Chic Carter; Betty Darrah; Lefty Fenton (villain, intro) |
| 3 | The Ball Game of Death | comic story | 4 | script: George Brenner; pencils: George Brenner; inks: George Brenner | Clip Chance; Spud; Slug; Dutch |
| 4 | The Episode of the Uninvited Wedding Guest | comic story | 2 | pencils: John Devlin; inks: John Devlin | Philpot Veep; Waldo |
| 5 | Tom Manning Mysteriously Disappears | comic story | 4 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | Flash Fulton; Andy; Tom Manning (introduction); The Big Shot (villain, introduction) |
| 6 | - | comic story | 1 | script: Arthur Beeman; pencils: Arthur Beeman; inks: Arthur Beeman | |
| 7 | The Pact Papers Robbery | comic story | 7 | script: George Brenner; pencils: George Brenner; inks: George Brenner | Hugh Hazzard; Bozo the Robot; Herr Getzer (villain); Darmanian spy ring (villains) |
| 8 | The Night after New Years | comic story | 2 | script: George Tuska; pencils: George Tuska; inks: George Tuska | King Archie O'Toole; Herman; Verman; Beulah; Mazie; Queen Defrosta |
| 9 | The Bat Mystery | comic story | 4 | pencils: Stan Asch; inks: Stan Asch | Craig Cook; The Chief; The Bat (Intro; Villain) |
| 10 | Rousting the Renegades | comic story | 4 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Captain Riggs; Abdul; Hassan; Akmid; Kavar |
| 11 | Leo "Lippy" Durocher | comic story | 1 | script: Gill Fox; pencils: Gill Fox; inks: Gill Fox | |
| 12 | Treasure of the Sargasso | comic story | 5 | script: Art Gordon; pencils: Art Gordon; inks: Art Gordon | Invisible Justice [aka Invisible Hood] [Kent Thurston]; Professor Clark; Sanchez (villain, ship's captain, introduction) |
| 13 | The Sea Bat | text story | 2 | script: Robert M. Hyatt | Jimmy Christian |
| 14 | Carl Strauss | comic story | 1 | script: Stookie Allen; pencils: Stookie Allen; inks: Stookie Allen | |
| 15 | Double Or Nothing | comic story | 5 | script: Harry Campbell; pencils: Harry Campbell; inks: Harry Campbell | John Law; June Carter; Roger Gates; The Avenger; James Rowan |
| 16 | Ting Ling's Circus Gorilla Man | comic story | 2 | script: Gill Fox; pencils: Gill Fox; inks: Gill Fox | Wun Cloo |
| 17 | The Secret South American Air Base | comic story | 7 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Wings Wendall; Nazis |