Craig Gaydas 
Timeless [EPUB ebook] 

The Consortium has been shattered. Mankind has nearly been eradicated, and Caelum is close to civil war.
With the galaxy in disorder, the Insurgents are out of allies and time. Despite the assistance of the ancient collective known as the Twelve Timeless, they are failing.
Even worse, Nathan is drifting ever deeper into a darkness he never experienced before. He is losing a little piece of himself with every death of someone close to him.
Can he become the man he needs to be to save the universe… and himself?