Exodus: Empires at War: Book 9: Second Front

The Cacas have been driven out of human space, or at least the space that the Empire knows of. On the other side of the Ca'cadasan Empire another power fights against the huge aliens. A mission has been sent to contact this other power, to find an ally against the Cacas. Three enormous exploration vessels, led by Commodore Natasha Sung, travel the thirty thousand light years to the home of this power. What they find is a shock. A power that has been fighting the Cacas for decades, a seeming...