"Supergirl is back! After Batman discovers something strange at the bottom of Gotham Bay, he realizes it contained something even more shocking. Featuring the return of Supergirl/Kara Zor-El, this collection from Eisner Award-winning writer, Jeph Loeb, and the late Michael Turner (JUSTICE LEAGUE OF AMERICA) brings one of the most popular characters in comics back into DC Comcis continuity after a 20-year absence. See what this return means for Superman, Batman and Wonder Woman, and whether or not Darkseid will succeed in getting Supergirl to do his evil bidding"-- Provided by publisher.