| Issue | #347 |
| Published | March 1967 |
| Cover Price | 0.25 USD |
| Pages | 80 |
| Editing | Mort Weisinger |
| Notes | also 80 Page Giant #G-33 |
| Characters | Superman [Clark Kent]; Supergirl |
| Genre | Superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Notes | also 80 Page Giant #G-33 |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | from Action Comics (DC, 1938 series) #263 (April 1960) [orig title "Supergirl's Darkest Day"] |
| Letters | typeset |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | from Action Comics (DC, 1938 series) #264 (May 1960) [orig title "Supergirl Gets Adopted"] |
| Characters | Superman [Clark Kent] |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Reprinted | from Superman (DC, 1939 series) #140 (October 1960) |
| Characters | Superman [Clark Kent] |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Reprinted | from Superman (DC, 1939 series) #140 (October 1960) |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Reprinted | from Superman (DC, 1939 series) #140 (October 1960) |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | from Action Comics (DC, 1938 series) #290 (July 1962) |
| Genre | Super-Hero |
| Letters | typeset |
| Characters | Supergirl; Comet (origin) |
| Genre | superhero |
| Script | Leo Dorfman |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | from Action Comics (DC, 1938 series) Action #293 (October 1962) |
| Genre | Super-Hero |
| Notes | highlights in Supergirl's life. |