"When bona fide super hero Power Girl drops outta the sky and into Harley Quinn's new Coney Island 'hood, there's only one thing for the former moll to do: sew herself a new costume so the amnesiac Power Girl believes they're a pair of crime-fighting super heroines! But how long can Harley keep up the act now that she's pretending to be on the straight and narrow?"--Back cover.
General Note
"Originally published in single magazine form in Harley Quinn 9-13, Harley Quinn Futures End 1, Harley Quinn Invades Comic-Con International San Diego 1"--T.p. verso.
"Harley Quinn created by Paul Dini and Bruce Timm"--T.p.