Batgirl The Flood Author:Bryan Q. Miller Batgirl must stop The Calculator from unleashing upon Gotham City a nanovirus that will turn its citizens into mindless techno-zombies.A string of bizarre, technology-based suicides gets the attention of both Batgirl and Oracle ? for very different reasons. The two heroes soon realize that they?re targets of The Calculator, a nefarious villain b... more »ent on revenge against the original Batgirl, Barbara Gordon, now known as Oracle.« less