Berserker Prime

From book jacket of Tor hardcover: Master storyteller Fred Saberhagen continues his bestselling Berserker© series, detailing humanity's war with the dreaded juggernaut-like machines programmed to destroy all life in the galaxy.
In the Twin World planets, Prairie and Timber, Plenipotentiary Gregor is determined to serve his government. Even if it means executing innocent Huvean hostages, invaders from another planet. And even though Gregor's granddaughter, Luon, is in love with Reggie, a Huv…