| Issue | #21 |
| Published | December 1940 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Sheldon Mayer |
| Characters | The Green Lantern |
| Genre | superhero |
| Pencils | Sheldon Moldoff |
| Inks | Sheldon Moldoff |
| Letters | typeset |
| Notes | Oddity: GL wears the power ring on his right hand. |
| Reprinted | in Golden Age Green Lantern Archives (DC, 1999 series) #1 |
| Characters | The Green Lantern [Alan Scott]; Elias Strake (Villain; Intro); Cub Brenner/Tommy Blake |
| Synopsis | GL involves himself in a strange case in which crooks get a young man to impersonate a couple's son who disappeared at age 9 in order to get at the couple's safe. The tables are turned when the young man is discovered to actually be the long lost son! |
| Genre | superhero |
| Script | Bill Finger (signed) |
| Pencils | Martin Nodell [as Mart Dellon] (signed) |
| Inks | Martin Nodell [as Mart Dellon] (signed) |
| Letters | Carrie Nodell |
| Notes | Oddity: GL wears the power ring on his right hand on the splash page only. Synopsis added by Craig Delich 3-2-08. |
| Reprinted | in Golden Age Green Lantern Archives (DC, 1999 series) #1 |
| Characters | Scribbly Jibbet; Red Tornado [Ma Hunkel]; Dinky Jibbet; Sisty Hunkel; Tubb Torponi and his gang (Villain) |
| Synopsis | The Red Tornado wipes up the Torponi mob, but when the Police Chief takes credit for the the kids rescue, Ma Hunkel decides the Red Tornado should tell him off in no uncertain terms. |
| Genre | teen; humor; superhero |
| Script | Sheldon Mayer (signed) |
| Pencils | Sheldon Mayer (signed) |
| Inks | Sheldon Mayer (signed) |
| Letters | Sheldon Mayer |
| Notes | Synopsis added by Craig Delich 33-26-08. |
| Reprinted | in Smithsonian Book of Comic-Book Comics, A (Smithsonian Institution / Harry N Abrams, 1981 series) #nn; in JSA All Stars Archives, The (DC, 2007 series) #1 |
| Genre | facts |
| Script | Robert L. Ripley |
| Pencils | Robert L. Ripley |
| Inks | Robert L. Ripley |
| Letters | Robert L. Ripley |
| Notes | Newspaper reprints. |
| Characters | Mutt; Jeff; Cicero's cat |
| Genre | sitcom |
| Script | Al Smith [as Bud Fisher] (signed) |
| Pencils | Al Smith [as Bud Fisher] (signed) |
| Inks | Al Smith [as Bud Fisher] (signed) |
| Letters | Al Smith |
| Notes | Newspaper reprints. |
| Characters | Daisybelle |
| Genre | children; humor |
| Script | Gene Byrnes (signed) |
| Pencils | Gene Byrnes (signed) |
| Inks | Gene Byrnes (signed) |
| Letters | Gene Byrnes |
| Notes | Newspaper reprints. |
| Characters | Hop Harrigan |
| Genre | aviation |
| Script | Jon L. Blummer (signed) |
| Pencils | Jon L. Blummer (signed) |
| Inks | Jon L. Blummer (signed) |
| Letters | Jon L. Blummer |
| Notes | Letterer credit added by Craig Delich 3-2-08. |
| Characters | The Atom [Al Pratt]; Professor Wilson; Mary James; Joe Morgan; Truck Tarbell; un-named "Emperor of America" (Intro; Death) |
| Synopsis | In the midst of the Calvin College Sophomore picnic, the students are rounded up by a madman, a man who has learned how to transmute his will into any person's body and thus take control of them as his slaves. |
| Genre | superhero |
| Script | Bill O'Connor (signed) |
| Pencils | Ben Flinton (signed) |
| Inks | Leonard Sansone |
| Notes | Inker credit verified by Craig Delich & Jerry Bails (Nov. 2005). Synopsis added by Craig Delich 3-26-08. |
| Reprinted | In JSA All Stars Archives, The (DC, 2007 series) #1 |
| Characters | Alan; Ted; Jack |
| Genre | science fiction |
| Script | Carl H. Claudy (signed) |
| Pencils | Stan Aschmeier |
| Inks | Stan Aschmeier |
| Characters | Jimmy Stone |
| Genre | adventure |
| Script | Evelyn Gaines |
| Letters | typeset |
| Characters | Pete |
| Genre | gag |
| Script | Art Helfant |
| Pencils | Art Helfant |
| Inks | Art Helfant |
| Characters | Daisybelle |
| Genre | children; humor |
| Script | Gene Byrnes (signed) |
| Pencils | Gene Byrnes (signed) |
| Inks | Gene Byrnes (signed) |
| Letters | Gene Byrnes |
| Notes | Newspaper reprint. |
| Characters | Mutt; Jeff; Cicero's cat |
| Genre | sitcom |
| Script | Al Smith [as Bud Fisher] (signed) |
| Pencils | Al Smith [as Bud Fisher] (signed) |
| Inks | Al Smith [as Bud Fisher] (signed) |
| Letters | Al Smith |
| Notes | Newspaper reprints. |
| Genre | facts |
| Script | Robert L. Ripley |
| Pencils | Robert L. Ripley |
| Inks | Robert L. Ripley |
| Letters | Robert L. Ripley |
| Notes | Newspaper reprints. |
| Characters | Ben Webster |
| Genre | adventure |
| Script | Russell Cole [as Edwin Alger] (signed) |
| Pencils | Russell Cole [as Edwin Alger] (signed) |
| Inks | Russell Cole [as Edwin Alger] (signed) |
| Notes | Newspaper reprint. True writer/artist name [Cole] added by Craig Delich 3-2-08. |
| Characters | Red Dugan; Whitey White; Blooey Blue |
| Genre | adventure |
| Script | Jerry Siegel? |
| Pencils | William Smith |
| Inks | William Smith |