Berserker Prime (Berserker Series #13)

Master storyteller Fred Saberhagen continues his 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 Huvean.
But now the Berserkers are threatening…