Published Oct 1962 by DC.
Cover pencils by Curt Swan, inks by George Klein. "The Feud Between Superman and Clark Kent!", script by Edmond Hamilton, art by Al Plastino; Red Kryptonite causes Clark and Superman to be split into two separate beings, but Superman tries to take steps to prevent them from being reunited when the effect wears off. Ad for the Atom. One-page Private Pete story by Henry Boltinoff. "The Secret Origin of Supergirl's Super-Horse!", script by Leo Dorfman, art by Jim Mooney; Comet telepathically tells Supergirl how he was originally human, and loved by the sorceress Circe, until a jealous rival caused him to be changed into a horse. 36 pgs., full color. $0.12. Cover price $0.12.