Even though he has deciphered the ancient mysteries of the huge Artifacts and conquered the warlike Zardalu, Hans Rebka is faced with yet another challenge when... » 

Even though he has deciphered the ancient mysteries of the huge Artifacts and conquered the warlike Zardalu, Hans Rebka is faced with yet another challenge when a mysterious force begins destroying stellar systems, forcing Rebka and his band of humans and aliens to save the galaxy. Reprint. «