Melias and his Sentinel crew survived their first encounter with Prime One technology and even procured an apparently powerful device. Now all they need is to figure out how to use it. Can they uncover the secrets of the Prime Ones and figure out how to stop the Lightbringer, a being intent on destroying the galaxy? Secrets of the Prime Ones is the second book in the Sentinels series. If you like sci-fi adventures, space battles with complex alien invaders, and unexpected twists in humanity's exploration of the stars, this could be your new favorite series.