Detective Comics Vol.1 #457
Every night on this date, Batman abandons all other crimes and missions and secretly heads to visit Leslie Thompkins; En route, Batman stops a car radio theft and two muggings; When one of the muggers pulls a gun on him in Crime Alley, Batman loses his temper and knocks the mugger silly while having a flashback of his parents' murder and his "rescue" by a young Leslie Thompkins.
Printed: Mar 1976
Writers: Denny O'Neil, Bob Rozakis
Art: Dick Giordano, Terry Austin, Kurt Schaffenberger, and Neal Adams
Cover: Dick Giordano