| Issue | #39 |
| Published | August 1941 |
| Cover Price | 0.10 |
| Pages | 68 |
| Editing | Whitney Ellsworth, [Mort Weisinger, Murray Bolitnoff (assistants)] |
| Notes | Superman has a blue "S" on cape. |
| Characters | Superman |
| Genre | superhero |
| Pencils | Fred Ray |
| Inks | Fred Ray |
| Letters | typeset |
| Notes | Superman has a blue "S" on cape. |
| Reprinted | In Superman: The Action Comics Archives (DC, 1997 series) #3 (2001). |
| Characters | Superman [Clark Kent]; Lois Lane; Sgt. Casey; Perry White; Villains: The Ghost [Brett Bryson] (I, D), Frank Chalmers, Davis; District Attorney Tom Spaulding; May Bryson. |
| Synopsis | A disaster at Chalmers Laboratories involving radium kills Brett Bryson. His bosses are tried for negligence but acquitted. A hooded figure later robs a jewelry store, leaving a watchman dead of radium burns. Superman is implicated, and he must clear his name before Sgt. Casey arrests him. |
| Genre | superhero |
| Script | Jerry Siegel (signed) |
| Pencils | Leo Nowak (signed as Joe Shuster) |
| Inks | Shuster Shop |
| Notes | Superman is called the Man of Tomorrow. Inks credited to Leo Nowak in Archives. |
| Reprinted | In Superman: The Action Comics Archives (DC, 1997 series) #3 (2001). |
| Genre | gags |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Notes | Writer credit added by Craig Delich 9-1-08. |
| Genre | fact |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Notes | Writer credit added by Craig Delich 9-1-08. |
| Characters | Pep Morgan; Jerry Hope; Villains: "Odds" Renaldi, Monk. |
| Synopsis | When Midwest College's baseball team loses their pitcher, Jerry Hope, to a strain, Pep must stand in to pitch the game without any relief. Seeing an opportunity, "Odds" Renaldi and Monk, gamblers, make a plan to fix the game. |
| Genre | adventure |
| Pencils | George Papp |
| Inks | George Papp |
| Genre | gags |
| Pencils | Bill Carney |
| Inks | Bill Carney |
| Characters | The Black Pirate [Jon Valor]; Bonnie; V: Captain Don De Avila. |
| Synopsis | Jon Valor, posing as Noah Scott, trader, has been invited to attend the royal ball as a guest of his friend, Captain Don De Avila. Unknown to the Black Pirate, De Avila has laid a trap to capture him once inside the palace walls, and so regain the favor of the King of Spain. |
| Genre | period |
| Pencils | Sheldon Moldoff |
| Inks | Sheldon Moldoff |
| Genre | fact |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Notes | Writer credit added by Craig Delich 9-1-08. |
| Genre | fact |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Notes | Writer credit added by Craig Delich 9-1-08. |
| Characters | Three Aces: Fog Fortune, Gunner Bill & Whistler Will; Douglas MacLean; V: Pierre La Salle. |
| Synopsis | Flying overhead, the Aces see the serum sled bound for Glencarren to help with an epidemic. As they pass, the sled-driver, Angus, is shot. In Glencarren, at Douglas MacLean's the Three Aces learn of the death and decide to intervene. |
| Genre | Adventure |
| Script | Gardner F. Fox |
| Pencils | Chad Grothkopf |
| Inks | Chad Grothkopf |
| Characters | Mr. America [Tex Thomson]; Ed Blake; Doris Dare; V: The Leader (villain). |
| Synopsis | While on patrol, Mr. America spots some thugs kidnapping a man and stops them, although he is distracted by an explosion at the Mains Aircraft Factory. He manages to tear a piece of a thug's jacket away that bears an insignia. The man was Ed Blake, photographer, planted by the Globe newspaper at a spy camp but discovered. Mr. America decides to use the insignia to infiltrate the spy camp. There he meets Doris Dare, a reporter, who tells him that they must stop a package from being mailed. |
| Genre | superhero |
| Script | Ken Fitch |
| Pencils | Bernard Baily (signed) |
| Inks | Bernard Baily (signed) |
| Notes | No Bob Daley in this story. |
| Characters | U.S. Marshal Craig Nolan; Deputy Marshall Claw Custer; V: Ed. |
| Genre | western |
| Script | Fred Hart (signed) |
| Pencils | Cliff Young (spot illustrations, signed) |
| Inks | Cliff Young (spot illustrations, signed) |
| Letters | typeset |
| Characters | Silly Willy |
| Genre | gags |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Notes | Writer credit added by Craig Delich 9-1-08. |
| Characters | Congo Bill; Professor Kent; V: un-named German captain; an jun-named British officer. |
| Synopsis | In Cairo, Congo Bill consults with a British officer about a hidden submarine base that u-boats are operating from. The officer needs Congo Bill to help locate the base along the north African coast. |
| Genre | jungle |
| Pencils | Fred Ray |
| Inks | Fred Ray |
| Notes | Writer credit revised from Fred Ray? to ? by Craig Delich 9-1-08. |
| Characters | John Paul Jones |
| Synopsis | Captain John Paul Jones replies to the British: "I've not yet begun to fight!" |
| Genre | fact |
| Pencils | Fred Ray |
| Inks | Fred Ray |
| Genre | fact |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Notes | Writer credit added by Craig Delich 9-1-08. |
| Characters | Zatara; Queen of Patona; Villains: Ben, Ab; Captain Mulgram. |
| Synopsis | Zatara performs in Patona, a far-off kingdom, winning the Queen's confidence. She asks him to help her get the Zin Diamond to the Capital Bank of America. Bem, an international jewel thief, plans to get rid of Zatara and steal the diamond. |
| Genre | occult |
| Script | Gardner F. Fox |
| Pencils | Joseph Sulman |
| Inks | Joseph Sulman |