| Issue | #278 |
| Published | November 1960 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Supergirl, Superboy robot; Martha Kent; Jonathan Kent |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Letters | Ira Schnapp |
| Notes | inker identification by Bob Hughes (August 2005) |
| Reprinted | in Showcase Presents: Supergirl (DC, 2007 series) #1 |
| Characters | Supergirl [Linda Lee]; Krypto; Martha Kent; Jonathan Kent; Lana Lang; Linda Lee robot; kryptonite |
| Synopsis | Supergirl flies to Superboy's time to see if she can protect her identity and prove to Superman she's ready to be revealed to the world. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Reprinted | in Superboy (DC, 1949 series) #129 (May 1966); in Showcase Presents: Supergirl (DC, 2007 series) #1 |
| Synopsis | Uses hammock on bus |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Synopsis | Frank wants to quit school until he realizes how it will affect his future. |
| Script | Jack Schiff |
| Pencils | Bernard Baily |
| Inks | Bernard Baily |
| Letters | Ira Schnapp |
| Notes | Published in cooperation with the National Social Welfare Assembly. |
| Characters | Janu |
| Synopsis | Janu borrows Congo Bill's ring. |
| Genre | superhero; jungle |
| Script | Robert Bernstein |
| Pencils | Howard Sherman |
| Inks | Howard Sherman |
| Notes | writer identification by Bob Hughes (August 2005) |
| Synopsis | Puts himself in playpen to escape brats |
| Genre | gag |
| Characters | Aquaman [Arthur Curry]; Aqualad [Garth]; Mr. Tracy (school principal); Miss Pine (teacher) |
| Synopsis | When Aqualad has trouble with a big test after being hit on the head, Aquaman uses ocean animals to help Aqualad remember the answers. |
| Genre | superhero |
| Script | Robert Bernstein ? |
| Pencils | Ramona Fradon |
| Inks | Ramona Fradon |
| Notes | Writer identification by Bob Hughes (August 2005) |
| Reprinted | in Teen Titans (DC, 1966 series) #38 (March-April 1972); in The Aquaman Archives (DC, 2000 series) #1; in Showcase Presents Aquaman (DC 2007 series) #1 |