"Cassandra Cain and Stephanie Brown team-up for the adventures you've been waiting for! Of course, under the mentorship of Barbara Gordon, the original Batgirl! With the Batgirls' damaged reputation still on the line and repairs on the Clock Tower well under way, Babs just might have finally found the key to their redemption. Meanwhile, serial killer the Hill Ripper is still on the loose! The girls receive their first major break in the case from an unlikely source-unfortunately for them, the main suspect is among the most enigmatic and dangerous villains in all of Gotham!"--Amazon.