The origins of five super-villains: Bizarro Superboy, Abra Kadabra, Sinestro, the Mad Hatter and Kanjar Ro. Superheroes battling to stop them: Superboy, the Flash, the Green Lantern, Batman and the Justice League.
Reprinted in this comics digest are Flash #128, Superboy #68, Green Lantern #7, Detective Comics #230 and Justice League of America #3. Writers include John Broome, Otto Binder, Bill Finger and Gardner Fox. Artists include Carmine Infantino, George Papp, Gil Kane, Sheldon Moldoff and Mike Sekowsky. The cover is by Ross Andru and Dick Giordano.