This Immortal

The life history of Conrad Nimikos was an enigma that faded out in lost records and obscurity a few decades back. Some said he had once had a different name, that of the man wo had fought the Vegan empire to a standoff. Some even said that he had other names, stretching back through the centuries....But this was no time to talk about the past, the future was at state. For the Vegans were returning on a mission of conquest -- and soon the place of Earth among the stars would be decided