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
Sophia Jansson "Jaana" in 1965. In May 2003, The Finnish Embassy in London arranged for events to surround the recent translation of Tove Jansson's 1972 "Sommarboken", a novel which featured the fictionalized life of the young Sophia on an island. During this event, publishers presented works by Sophia Jansson and Johanna Sinisalo. Jansson was later interviewed in June 2003 by "The Daily Telegraph" where she explained the details surrounding the story presented in "Sommarboken" and the relationship shared between Jansson and her aunt, Tove Jansson. She would write in more detail about this topic in 2006 in the Scandinavian Review, and again