Action Comics (1938-) #334

“THE SUPERGIRL FROM KRYPTON!” Featuring the first appearance of Kara Zor-El, a.k.a. Supergirl. Superman spies a crashing rocket and is shocked to discover a fellow Kryptonian inside! Not only that, but she turns out to be his cousin, Kara Zor-El!

Written By:
Jerry Siegel, Otto Binder, Leo Dorfman
Al Plastino, Curt Swan, Jim Mooney
Al Plastino, John Forte, Jim Mooney
Cover By:
Sheldon Moldoff, Curt Swan