| Issue | #406 |
| Published | May 1971 |
| Frequency | monthly (semi-monthly March) |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | Mike Sekowsky |
| Characters | Supergirl [Kara Zor-El]; Nasthalthia Luthor |
| Genre | superhero |
| Script | Mike Sekowsky ? |
| Pencils | Mike Sekowsky |
| Inks | Dick Giordano |
| Characters | Supergirl [Kara Zor-El]; Starfire; Nasthalthia Luthor; Professor Kangle; Derek Ames |
| Genre | superhero |
| Script | Mike Sekowsky |
| Pencils | Mike Sekowsky |
| Inks | Jack Abel |
| Notes | Supergirl vs. Nasthalthia (becomes supporting character); Linda (Supergirl) Danvers graduates from Stanhope College and gets a TV crew job in San Francisco. |
| Reprinted | In Superman Family (DC, 1974 series) #165 [only reprints page 5 panel 2 (redrawn) and page 12 panel 1 (central figures)] |