Please answer the following question: The Witches of Karres is a novel by James H. Schmitz. It is his best known book and is considered a science fiction classic. It falls within the genre of space opera and features well-developed characters a mix of both fantasy and hard science fiction as well as a sense of humor. It was nominated for the Hugo Award for Best Novel in 1967. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Written Work