Batgirl and Robin must team up to face the ghost of Benedict Arnold, who looks to take over Washington, D.C., in "The Invader from Hell." Plus, the origin of the Batgirl and Robin team, the origin of Man-Bat and more!

Written By:
Gardner Fox, Joe Samachson, Elliot S! Maggin, Frank Robbins
Sheldon Moldoff, Jerry Robinson, Neal Adams, Mike Grell
George Roussos, Dick Giordano, Joe Giella, Mike Grell
Cover By:
Mike Grell