#304

Synopsis

An adult version of Superboy appears to have been created by red kryptonite; only one version may remain on Earth.

Notes

On-sale date from ad in Superman's Pal, Jimmy Olsen #66 and copyright registration.

Reprinted from

Reprinted in

Credits

Script: Jerry Siegel, Jack Schiff, Harry Lampert, Henry Boltinoff
Pencils: Curt Swan, George Papp, Sheldon Moldoff, Win Mortimer, Harry Lampert, John Forte, Henry Boltinoff
Inks: George Klein, George Papp, Stan Kaye, Charles Paris, Win Mortimer, Sheldon Moldoff, Harry Lampert, John Forte, Henry Boltinoff
Letters: Ira Schnapp, Joe Letterese, Harry Lampert, Henry Boltinoff
Editor: Mort Weisinger
Ed.: Mort Weisinger
Rudolph: Rube Grossman
Superman: Curt Swan, George Klein