Melias and crew have a weapon that they believe can help defeat the Lightbringers. The only problem is they don't know what it does or how to use it. Can they protect the weapon and learn how to use it or will the Lightbringers bring the darkness of death to them and the galaxy? Lightbringers is the third book in the Sentinels series. If you like sci-fi adventures, space battles with complex alien invaders, and unexpected twists in humanities exploration of the stars, this could be your new favorite series. Listen to Lightbringers and see what happens next in this epic space adventure!