Download Action Comics #259
Supergirl visits the stone age so that she can practice using her powers openly.
- Reprinted in:
- in Action Comics (DC, 1938 series) #334 (March 1966)
- in Supergirl Archives (DC, 2001 series) #1
- in Showcase Presents: Supergirl (DC, 2007 series) #1
- Script: Otto Binder
- Pencils and inks: Jim Mooney