Superman y sus amigos #6

In "Es revelada la identidad secreta de Supermán," Superman faces a dangerous mystery when a mysterious voice begins exposing his secret identity, daring him to prove it isn't true. With Batman and Robin on the case, the Man of Steel must uncover the truth before his secret is lost forever. Written by Edmond Hamilton and illustrated by Dick Sprang, with inks by Stan Kaye, the story unfolds with the classic tension of a hidden enemy and a hero’s greatest vulnerability—his identity. The cover, by Win Mortimer, captures the moment of suspense with striking clarity.