Signe Hammarsten-Jansson that her presence is strongly felt in a number of the books Tove wrote after the death. The melancholic "Sent i November" (1970) deals themes of leaving and loneliness, and is typically considered the most mature of the "Moomin" series. "Sommarboken" (1972) concerns a young girl whose mother has died and her relationship with her grandmother. Hammarsten-Jansson's death marked the end of the "Moomin" series of novels and Jansson's literary output became primarily adult-oriented. Signe Hammarsten-Jansson Signe "Ham" Hammarsten-Jansson (née Hammarsten, 1 June 1882 Hannäs, Sweden - 6 June 1970 Porvoo) was a Swedish graphic artist who designed, among other
Tove Jansson Life of Tove Jansson". From October 2017 to January 2018, the Dulwich Picture Gallery held an exhibition of Jansson's paintings, illustrations, and cartoons. This was the first major retrospective exhibition of her work in the United Kingdom. With a new animated series, "Moominvalley" to be broadcast in 2019, Rhianna Pratchett wrote an article about the impact Tove Jansson had had on her father Sir Terry Pratchett; he called Jansson one of the greatest children's writers there has ever been and credited her writing as one of the reasons he became an author. Tove Jansson Tove Marika Jansson () was a