| Issue | #409 |
| Published | August 1971 |
| Cover Price | 0.25 |
| Pages | 52 |
| Editing | Mike Sekowsky; Joe Orlando |
| Characters | Supergirl; Geoffrey Anderson |
| Genre | superhero |
| Pencils | Dick Giordano |
| Inks | Dick Giordano |
| Notes | Pencils formerly credited to Art Saaf based on an apparently unused cover, job #J1313, prepared for this issue. |
| Characters | Supergirl; Johnny Drew; Geoffrey Anderson; Kandor |
| Genre | superhero |
| Script | Mike Sekowsky |
| Pencils | Mike Sekowsky |
| Inks | Dick Giordano |
| Characters | Supergirl; Johnny Drew; Geoffrey Anderson; Fire Drake; Alura; Zor-El; Kandor |
| Genre | superhero |
| Script | E. Nelson Bridwell |
| Pencils | Art Saaf |
| Inks | Dick Giordano |
| Letters | typeset |
| Notes | Includes a letter from Bob Rozakis. |
| Characters | Lightning Lass; Saturn Girl; Shrinking Violet; Sun Boy; Mon-El; Superboy; Polar Boy; Night Girl; Supergirl; Satan Girl; Lightning Lad |
| Synopsis | The girl Legionnaires are struck by a mysterious Crimson Virus. Satan Girl tries to take their place, but attacks the girls when rejected. Supergirl follows. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Letters | Milton Snapinn |
| Reprinted | from Adventure Comics (DC, 1938 series) #313 (October 1963) |
| Characters | Satan Girl; Supergirl; Cosmic Boy; Sun Boy; Bouncing Boy; Lightning Lad; Triplicate Girl; Phantom Girl; Chameleon Boy; Brainiac 5; Colossal Boy; Ultra Boy; Legion of Super-Pets [Comet; Streaky; Beppo; Krypto]; red kryptonite |
| Synopsis | Satan Girl is defeated by the Super-Pets and revealed to be an evil Red Kryptonite duplicate of Supergirl. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | Sheldon Moldoff |
| Letters | Milton Snapinn |
| Reprinted | from Adventure Comics (DC, 1938 series) #313 (October 1963) |