Complex sentence: One of few fantasy writers in Swedish literature was Tove Jansson (1914-2001) and her her stories of the Moomins, in nine books and four picture books between 1946 and 1993.
Split into simpler sentences: One of few fantasy writers in Swedish literature was Tove Jansson (1914-2001). Her stories about the Moomins, in nine books and four picture books, appeared between 1946 and 1993.