Dial "H" for hooray as Silver Age superstar Jim Mooney pencils the cover for a startling one-shot! When high-schooler Robby Reed dials his mysterious H-Dial, he turns into a different super-hero every time! Desperate to turn the tables on the villians, J'onn J'onzz - trapped in the body of Dr. Light - has used the Photonic Felon's weapons to cause trouble at a nearby army base. But when Robby dials up a new heroic identity and enters the fray, the outcome of the battle surprises Manhunterand teen champion alike!