Written by Joe Kelly, Jimmy Palmiotti & Justin Gray. Art by Ian Churchill, Joe Benitez, Amanda Conner and others. Cover by Ale Garza. In this volume collecting stories from SUPERGIRL #10-19 and the INFINITE HOLIDAY SPECIAL #1, Supergirl finally adopts a secret identity, joins the super-team the Outsiders, battles Batgirl, and begins a relationship with her new boyfriend, Power Boy!