Detective Comics #516 NM-

NM- (9.2)

Stories by Gerry Conway and Paul Kupperberg  
Art by Don Newton and Frank Chiaramonte
Cover by Dick Giordano and Russ Andru

In the guise of Matches Malone, Batman has infiltrated an underground school for the criminal element. Today’s lesson: the murder of Batman. 

Batgirl back up story
Story by Cary Burkett
Art by Jose Delbo and Joe Giella