"Originally published in single magazine form in Superman, Batman #8-13."
"Batman created by Bob Kane."
"Superman created by Jerry Siegel and Joe Shuster."
Summary
Batman finds a teenage girl in a ship in Gotham Bay who appears to be Superman's cousin from Krypton. Superman instantly becomes her protector, but the fact that she has super powers that are untrained and unknown has Batman and Wonder Woman wo rried and has attracted the attention of Darkseid.