Action Comics 576 (Feb 1986) NM- (9.2)

Earth's Sister Planet!

Script: Bill Woolfolk [as William Woolfolk]

Pencils: Kurt Schaffenberger

Inks: Kurt Schaffenberger

Colors: Gene D'Angelo

Letters: Milt Snapinn

Characters: Superman [Clark Kent]

Synopsis: Superman battles the leader of a planet that used to be in our solar system where dinosaurs are sentient and dominant. The leader wants to obliterate humanity. His son, however, plots to save the humans, with Superman's help.