Melias and crew have somehow managed to survive and keep possession of the device that could save or destroy the galaxy. When the most powerful factions in the galaxy converge on them and demand he surrender the weapon, he does the only logical thing. He takes off and takes the weapon with him. Can he stay ahead of all the powerful factions chasing him for one reason or another and somehow figure out how to save everyone in the process? On the Run is the fifth 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.