Published Mar 1978 by DC.
Cover pencils by Joe Staton, inks by Dick Giordano. "When the Symbioship Strikes!", script by Paul Levitz, pencils by Joe Staton, inks by Dick Giordano; Power Girl is under attack from Andrew Vinson, trapped in an armored suit; Power Girl recognizes the suit, and gives it a solid punch; However, instead of damaging the suit, Power Girl hurts Vinson; As the G.C.P.D. distracts the suit, Power Girl uses a trick learned by Wildcat, and pins the suit long enough to remove Vinson from it; Once Vinson is removed, the armor transforms into a spaceship; Power Girl reveals that it is the spaceship that brought her from Krypton to Earth; We find out that while Power Girl was being carried from Krypton to Earth, the ship created a virtual environment for her to live in; The ship, called a "Symbioship," taught Power Girl everything she needed to know to grow from toddler to twenty years of age. 36 pgs., full color. $0.35. Cover price $0.35.