Batgirl : the flood / Bryan Q. Miller, writer ; Lee Garbett, Pere Perez, pencillers ; Jonathan Glapion ... [et al.], inkers ; Guy Major, colorist ; Pat Brosseau, Travis Lanham, John J. Hill, letterers.
"Originally published in single magazine form in Batgirl 9-14"--T.p. verso.
"Batman created by Bob Kane."
Summary
When the Calculator, bent on revenge against Barbara Gordon, aka Oracle, takes out Oracle's operation with a nanovirus and kidnaps Barbara, Batgirl Stephanie Brown is left flying solo. Stephanie recruits the help of the Calculator's own daughter, but it will not be easy to save Barbara with Man-Bat, Clayface and a city full of the Calculator's techno zombies in the way.