All Human Things — Dave Creek

MIKE CHRISTOPHER RETURNS TO EARTH TO BATTLE AN OLD NEMESIS!

Mike Christopher, an artificial Human spurned and abused by much of Earth society, left Earth to become a Galactic explorer.

Now, 25 years later, he returns to battle the Jenregar, an alien enemy he's fought before.

But the key to defeating the alien threat also presents a soul-crushing moral dilemma!