Volume 1, #279. "Menace Of The Energy Blackmailers!"
DC Comics. September, 1974.
Writer(s): Elliot S. Maggin
Artist(s): Curt Swan, Frank Giacoia
Notes:
Appearance: Batgirl, Batman
Backup story "The Fabulous World Of Krypton: The Magic Master Of Krypton" by Cary Bates, Curt Swan, Tex Blaisdell
Cover Art: Nick Cardy