Dragon Quadrant: The Sentinel Trilogy, Book 2

After Captain Tolvern and the sentinel battle station fight off a ferocious Apex assault, Admiral Drake sends her into Hroom territory to repair the wounded HMS Blackbeard and collect a fleet of Hroom warships.

While Drake probes the deep void searching for the main enemy force, Tolvern and the Hroom spaceyards are assaulted by a massive Apex battleship that intends to harvest Hroom and human alike for its bloody rituals.