The Enemy Within - Sovereign Stars, #4

As the inter-dimensional enemy closes in on humanity's last stronghold, the saga continues. Commodore Richard Morian and the crew of the Avenger find themselves at the forefront of the battle against the Blues. As they face off against unimaginable foes and navigate treacherous political waters, they must rely on their wits, their courage, and their trust in each other to survive. With new technology, advanced weaponry, and a fierce determination to protect their home planet and the galaxy at large, the Avenger is ready to take on almost any challenge.
But as they drive deeper into Enemy territory, they discover their most dangerous enemies may not be the aliens themselves, but a traitor withintheir own ranks. Join Richard Morian and the crew of the Avenger as they battle to save the USF from the Enemy Within. Will they succeed in their mission, or will they fall to the forces of darkness? Find out in this thrilling military sci-fi space opera that will keep you on the edge of your seat until the very end.