Action Comics (Issue #509)
"The Great Space-Travel Hoax," script by Cary Bates, pencils by Curt Swan, inks by Frank Chiaramonte; Superman tangles with an energy-being created from the subconscious of five aliens masquerading as Earth people. "The Computers That Saved Metropolis!", script by Cary Bates, pencils by Jim Starlin, inks by Dick Giordano; Alec and Shanna use a pair of TRS-80 computers to help Superman stop Major Disaster after Superman's powers become difficult for him to control. Cover pencils by Ross Andru, inks by Dick Giordano. 68 pgs.
Issued July 1980
Please note, listed grade is an estimate only.