"The Joker is stirring up trouble again in Gotham City, but this time he has an ace up his sleeve: a computer virus that can wipe out all Gotham City's technology in an instant! Can Batman thwart the Joker's plans? It's the ultimate showdown between the Dark Knight and the Clown Prince -- or shall we say King? -- of Crime!"--Page [4] of cover.

Batman is here in five exciting adventures, all in one book! Join him as he battles the penguin, fights the joker in Cyberspace, & in the streets of Gotham City, trains Robin to be a crime stopper, & much more!