(W) Andersen Gabrych (A) Francisco Rodriguez De la Fuente (CA) Tim Sale. Written by Andersen Gabrych Art by Pop Mhan & Jesse Delperdang Cover by Tim Sale A mystery in Batgirl's past that has been building for years is about to be revealed! Who is Batgirl's mother? Batgirl is about to find out* but her mind will be on other things* as she's trapped in a life-and-death struggle with her animalistic "brother" Mad Dog! And when we say "life-and-death*" we mean it! No tricks. No jokes. One of these characters will die at the hands of the other!