Swedish literature by many. The Swedish language is an official language in Finland, with approximately 5.6% of the population having it as their mother tongue. Hence Swedish language literature has a considerable following in Finland, with several well-known Swedish-speaking Finnish writers, such as Bo Carpelan, Christer Kihlman and Tove Jansson. Jansson, perhaps best known for her Moomin books for children, wrote novels and short stories for adults, including "Sommarboken", (1972, "The Summer Book"). A cultural body representing such literature is the Society of Swedish Literature in Finland, which describes itself as "a versatile and future-oriented cultural institution of Finland-Swedish literature, culture and
Swedish-speaking population of Finland increasing slightly in total numbers since more parents from bilingual families tend to register their children as Swedish speakers. It is estimated that 70% of bilingual families—that is, ones with one parent Finnish-speaking and the other Swedish-speaking—register their children as Swedish-speaking. The Swedish term "finlandssvensk" (literally "Finland-Swede"), which is used by the group itself, does not have an established English translation. The Society of Swedish Authors in Finland and the main political institutions for the Swedish-speaking minority such as the Swedish People's Party and Swedish Assembly of Finland use the expression "Swedish-speaking population of Finland", but Swedish-speaking NGOs often use