ACTION COMICS (1938) #350

“THE SECRET OF THE STONE-AGE SUPERMAN!” Superman travels over a million years into the past to uncover the secret of a caveman skeleton in a Superman costume!  » The Secret of the Stone-Age Superman!  » (Superman and Perry White) written by Otto Binder, penciled and inked by Wayne Boring. Perry White goes spelunking in France and finds a caveman skeleton with Superman’s outfit, Superman investigates.  » Cap’s Hobby Hints How to do it Better  » by Henry Boltinoff. Special thanks to Bob Warren of Park Forest, Illinois who recommends that you scrape off the chrome paint on plastic model parts before you glue them together.…