This is not part of an epic saga which is a staple in the world of fantasy. Geralt rides the countryside, meeting people, talking to them, and killing a monster
Telling the stories, and how they differ, is a main point in this book. Retelling the same passage in either a different way, or a different perspective.
Breach by W.L. Goodwater is a novel taking place in the aftermath of World War II, where the remaining powers fight with magic as well as conventional means.
Foundryside by Robert Jackson Bennett a smart novel in a complex world where humans can tap the consciousness of objects convincing them that they are different