| Issue | #262 |
| Published | March 1960 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Superman [Clark Kent]; Supergirl [Kara Zor-El]; kryptonite |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Notes | Supergirl has red skirt on cover, blue inside. |
| Reprinted | in Supergirl Archives (DC, 2001 series) #1; in Showcase Presents Superman (DC, 2005 series) #2; in Showcase Presents: Supergirl (DC, 2007 series) #1 |
| Characters | Superman [Clark Kent]; Lois Lane; Jimmy Olsen; Perry White |
| Synopsis | While in the Mexican jungle reporting on an Aztec tomb, the Planet staff is magically whisked to a red sun planet where Clark has no powers. Superman has to fake super feats to reassure the Planet staff that everything is under control. |
| Genre | superhero |
| Script | Robert Bernstein |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Notes | First "red sun" story. |
| Reprinted | in Superman (DC, 1939 series) #183 (January 1966); in Showcase Presents Superman (DC, 2005 series) #2 |
| Genre | Teen |
| Script | Jack Schiff |
| Pencils | Ruben Moreira |
| Inks | Ruben Moreira |
| Letters | Ira Schnapp |
| Genre | teen; humor |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Genre | teen; humor |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Genre | fact |
| Script | Jack Liebowitz |
| Letters | typeset |
| Notes | Publisher: National Comics Publications, Inc. 575 Lexington Ave, NY, NY Editor: Mort Weisinger Owners: H. Donenfeld, J. Liebowitz, P. Sampliner, G. Donenfeld, S. Sampliner, F. Iger, I. Donenfeld, S. Iger, A. Donenfeld, L. Liebowitz, J. H. Liebowitz, H. Donenfeld Foundation |
| Script | Mort Weisinger |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Letters | typeset |
| Characters | Supergirl [Kara Zor-El] (origin recap); Superman [Clark Kent]; Kryptonite; Zor-El (flashback); Allura (unnamed, flashback); Argo City (unnamed, flashback); Fortress of Solitude; Metal-eater beast; Krypton (Flashback) |
| Synopsis | Supergirl tries to build up an immunity to Kryptonite by gradually exposing herself to larger and larger doses. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Notes | First explanation of Yellow Sun theory of the source of Superman and Supergirl's powers. Re-telling of the origin of Supergirl. |
| Reprinted | in Superman Family (DC, 1974 series) #167 (October-November 1974); in Supergirl Archives (DC, 2001 series) #1; in Showcase Presents: Supergirl (DC, 2007 series) #1 |
| Genre | teen; humor |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |