Supergirl: The New 52 Book One tp

Written by Michael Green, Mike Johnson and various
Art by Mike Johnson, Mahmud Asrar and various
Cover by Mahmud Asrar

Lost on a strange world, Kara Zor-El begins her journey to becoming Supergirl.

After crash-landing on Earth, Kara Zor-El of Krypton awakens with no knowledge of where she is or how she came to be there. Surrounded by hostile strangers speaking in an alien language, Kara is utterly lost and cut off from everyone she's ever known.

Or is she?

Collects Supergirl #0-13, Superman #0 and #6, and Superboy #0 and #6.