Berserker Prime
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 the Twin Worlds, crashing a
scoutship, capturing the planets' president, and reprogramming his
brain to suit their violent agenda. And only the Huveans, in a
desperate reprieve, can save the Twin Worlds' populace from
annihilation.
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Fred Saberhagen
Fred Thomas Saberhagen (1930–2007) was a Chicago-born American science fiction and fantasy fiction author most famous for his Berserker series of science fiction stories.
He also wrote a series of vampire novels in which the vampires (including the famous Dracula) are the protagonists, and a series of post-apocalyptic mytho-magical novels beginning with his popular Empire of the East and continuing through a long series of Swords and Lost Swords novels. Saberhagen died of cancer, in Albuquerque, New Mexico.
Berserker
Berserker consists of sixteen books. The current recommended reading order for the series is provided below.
Main series Berserker sequence

