Adventure Comics (1938 1st Series) #348 VG/FN
Published Sep 1966 by DC.
Cover pencils by Curt Swan, inks by George Klein. Target -- 21 Legionnaires!--Tales of the Legion of Super-Heroes, script by Jim Shooter, pencils by Jim Shooter (layouts only) and George Papp, inks by George Papp; After Invisible Kid is elected new Legion leader, the Legion performs at a charity benefit where Sun Boy is hurt and loses his memory; But it may not be an accident, but rather the work of Dr. Regulus, who has taken Legion headquarters right out of the ground. 36 Pages, Full Color. Cover price $0.12.