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
Tove Jansson her father, Viktor Jansson, was a sculptor, and her mother, Signe Hammarsten-Jansson, was a Swedish-born graphic designer and illustrator. Tove's siblings also became artists: Per Olov Jansson became a photographer and Lars Jansson an author and cartoonist. Whilst their home was in Helsinki, the family spent many of their summers in a rented cottage on an island near Borgå, 50 km east of Helsinki. Jansson studied at University College of Arts, Crafts and Design, in Stockholm in 1930–33, the Graphic School of the Finnish Academy of Fine Arts in 1933–1937, and finally at L'École d'Adrien Holy and L'École des Beaux-Arts