Batman Detective Comics #737 (1999) 3rd Appearance of Harley Quinn VF

Written by Bronwyn Carlton; art by Tom Morgan and David Roach; cover by Rodolfo Damaggio Harley Quinn, the Joker, and the Huntress face off in "No Man's Land" in the conclusion of "The Code!" While the Joker's political campaign threatens to send the so-called society of "No Man's Land" even further into a state of anarchy, the Huntress and Billy Petit's renegade ex-GCPD band join the fray. But they've never tangled with someone like Harley Quinn, who doesn't appreciate anyone standing between her and her Joker!