The Witcher (Polish: Wiedźmin) by Polish writer Andrzej Sapkowski is a fantasy series of short stories and novels about the witcher Geralt of Rivia. In Sapkowski's books, "Witchers" are monster hunters who (through special training and body modification) develop supernatural abilities at a young age in order to battle deadly monsters. The books have been adapted into a film and television series, a video game series, and a graphic novel series.