Tove Jansson after Tove had become an adult, the two often traveled together, and during her final years Signe also lived with Tove part-time. Jansson is principally known as the author of the Moomin books. Jansson created the Moomins, a family of trolls who are white, round and smooth in appearance, with large snouts that make them vaguely resemble hippopotamuses. The first Moomin book, "The Moomins and the Great Flood", was written in 1945. Although the primary characters are Moominmamma and Moomintroll, most of the principal characters of later stories were only introduced in the next book, so "The Moomins and the
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