In the bitter winds of autumn 1963, Tove Jansson, helped by Brunstroem, a maverick fisherman, raced to build a cabin on a treeless skerry in the Gulf of Finland. The island was Klovharun, and for thirty summers Tove and her beloved partner, the graphic artist, Tuulikki Pietila, retreated there to live, paint and write, energised by the solitude and shifting seascapes.