Batgirl Vol. 03 Point Blank

In these stories from BATGIRL #26-37, Batgirl faces the Joker, who gets the "Last Laugh" when Cassandra and guest-star Spoiler must also defeat a "jokerized" Shadow Thief. Then, can Batgirl stop the father of a young boy from making a lethal mistake? And just who are the mysterious agents that are after our heroine?