Batman Family Giant Complete Set 20 Books. Oct '75 - Nov '78. Most books in nice mid grade condition.
#1 is second appearance and origin of Batgirl/Robin Team-up.
#6 is first appearance of Joker's daughter
# 10 is first revival of Batwoman
#15 is 3rd appearance of Killer Moth (Drury Walker)
#20 is Origin of Ragman (Rory Regan)