Tove Jansson periodicals and daily papers. During this period, Jansson also designed many book covers, adverts and postcards. Following her mother's example, she drew illustrations for "Garm", an anti-fascist Finnish-Swedish satirical magazine. She was briefly engaged in the 1940s to Atos Wirtanen. During her later studies, Jansson met her future partner Tuulikki Pietilä. The two women collaborated on many works and projects, including a model of the Moominhouse, in collaboration with Pentti Eistola. This is now exhibited at the Moomin museum in Tampere. Jansson wrote and illustrated her first Moomin book, "The Moomins and the Great Flood", in 1945, during World War
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