Flood: Part 3 of 4 – Written by BRYAN Q. MILLER. Art by LEE GARBETT, PERE PEREZ and WALDEN WONG. Cover by STANLEY ‘ARTGERM’ LAU. Oracle faces off against the Calculator, while Batgirl is forced to team up with the Calculator’s daughter in an attempt to save the citizens of Gotham City from a crippling techno-plague. But who will save Batgirl from an infected and rampaging Man-Bat?