| Issue | #19 |
| Published | December 1939 |
| Cover Price | 0.10 |
| Pages | 68 |
| Editing | Vincent Sullivan |
| Characters | Superman |
| Genre | superhero |
| Pencils | Joe Shuster |
| Inks | Joe Shuster |
| Letters | typeset |
| Reprinted | In Superman: The Action Comics Archives (DC, 1997 series) #1. |
| Characters | Superman [Clark Kent]; Dr. Travers; Villain: Ultra-Humanite. |
| Synopsis | A purple plaque sweeps Metropolis killing citizens left and right. Only Dr. Travers has discovered antidote, and Superman must stop the Ultra-Humanite from killing the good doctor and prevent that cure from being used. |
| Genre | superhero |
| Script | Jerry Siegel (signed) |
| Pencils | Joe Shuster (signed) |
| Inks | Paul Cassidy? |
| Notes | Synopsis added by Craig Delich 8-16-08. |
| Reprinted | In Superman: The Action Comics Archives (DC, 1997 series) #1. |
| Characters | Pep Morgan |
| Genre | adventure |
| Script | Gardner F. Fox |
| Pencils | Fred Guardineer (signed as Gene Baxter) |
| Inks | Fred Guardineer (signed as Gene Baxter) |
| Notes | Writer credit added by Craig Delich 8-16-08. |
| Characters | Chuck Dawson |
| Genre | adventure |
| Pencils | Homer Fleming (signed as H. Fleming) |
| Inks | Homer Fleming (signed as H. Fleming) |
| Characters | Clip Carson |
| Genre | adventure |
| Script | Bill Finger |
| Pencils | Bob Kane |
| Inks | Bob Kane |
| Genre | adventure |
| Script | Toni Blum ? (signed as Jack Anthony) |
| Pencils | ? (spot illos) |
| Inks | ? (spot illos) |
| Letters | typeset |
| Characters | Tex Thomson |
| Genre | adventure |
| Script | Ken Fitch? |
| Pencils | Bernard Baily (signed) |
| Inks | Bernard Baily (signed) |
| Letters | Bernard Baily |
| Notes | Letterer credit added by Craig Delich 8-16-08. |
| Characters | Salty Sam |
| Genre | humor |
| Script | Fred Schwab |
| Pencils | Fred Schwab |
| Inks | Fred Schwab |
| Letters | Fred Schwab |
| Notes | Writer and letterer credits added by Craig Delich 8-16-08. |
| Characters | Three Aces: Fog Fortune, Gunner Bill, & Whistler Will. |
| Genre | adventure |
| Pencils | Bert Christman (signed as Christopher) |
| Inks | Bert Christman (signed as Christopher) |
| Genre | funny animal |
| Script | Fred Schwab |
| Pencils | Fred Schwab |
| Inks | Fred Schwab |
| Letters | Fred Schwab |
| Notes | Writer & letterer credits added by Craig Delich 8-16-08. |
| Characters | Zatara |
| Genre | occult |
| Script | Gardner F. Fox |
| Pencils | Fred Guardineer |
| Inks | Fred Guardineer |