Swedish children's literature other appreciated books; most of them were filmed, some with good results that have led to them being continuously rerun on Swedish television. One of the few fantasy writers in Swedish literature was Tove Jansson (1914–2001), who wrote her stories of the Moomins in nine books and four picture books between 1946 and 1993. Jansson was from Finland's Swedish-speaking minority, and wrote in Swedish. The Moomins are trolls that live in an economically and politically independent state, without any material necessities. Perhaps this explains the vast popularity the Moomins have enjoyed in many different countries. The Moomin books have been
Society of Swedish Literature in Finland and Swedish culture in Finland were under threat from the Finnish side. Leading cultural figures endorsed the need for an organization to preserve and mediate the Swedish cultural heritage in Finland. At the same time they sought to strengthen the identity of the Swedish-speaking population, and its understanding of its own culture. Today SLS has over 1,100 members, with around 100 employees in Helsinki and Vaasa. The SLS archives are a rich source of knowledge about Swedish-speaking Finland, its history, traditions, literature, languages, everyday life and folk music. SLS documents contemporary society and accepts donations of cultural and historical material