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 bent on revenge against the original Batgirl, Barbara Gordon, now known as Oracle.
- ISBN10 140123142X
- ISBN13 9781401231422
- Publish Date 24 May 2011
- Publish Status Out of Stock
- Out of Print 17 September 2012
- Publish Country US
- Imprint DC Comics
- Format Paperback (US Trade)
- Language English