The Witcher 1 Novelization

Geralt of Rivia, the famed "White Wolf," has returned, once thought dead, he was found outside the walls of Kaer Morehn, where Witchers dwell.

Witchers are the ultimate killing machines, trained since childhood, they protect the realm of man against the forces of monsters, Witchers themselves are seen as nothing more then emotionless mercenaries who would do anything for gold.

Yet not all is as it seems, the world is not quite black and white, rather many shades of grey, but if forced to pick between one evil and another, Geralt would rather not choose at all.