Ryan M. Williams 
Past Lives [EPUB ebook] 

More than a case…it threatens his past, present, and future.Events threaten Brock’s past, in a time he thought he left behind with his humanity. Now he teams up with a former enemy to track down a missing alien artifact. It could prove the key to unlocking time itself.Trapped in the past, on a spaceship destined for war, Muriel fears changing the future. With an alien intern for company, can she survive this time? With no hope of rescue, can she save herself, the future, and find a way home?You’ll love this sci-fi space adventure because of the mystery, excitement, and tension that spans worlds.