The Phoenix Darkness

On a dangerous spy mission, Calvin has been betrayed by an ally. Summers, Blackmoth, and Tristan race to recover the isotome weapons. Raidan has underhanded plans. Kalila and Caerwyn have drawn the entire Empire into brutal civil war. The Rotham seem poised to attack human worlds. And in the vast regions of Forbidden Space the Dread Fleet moves, charged with bringing to pass the Final Darkness.