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 and Finnish-speakers are nowadays very common. According to a study commissioned by the Swedish Assembly of Finland in 2005, 48.5% of all families with children where at least one of the parents was Swedish-speaking were bilingual in the sense of one parent being Swedish- and the other Finnish-speaking (only families living in those municipalities where Swedish was at least a co-official language were included in this study). 67.7% of the children from these bilingual families were registered as Swedish-speaking. The proportion of those who attended schools where Swedish was the language of instruction was even higher. The Finnish authorities classify