London: Ernest Benn Limited, 1955 . First edition. Cloth. Near Fine/Very Good. 8.5" by 5.5". Tove Jansson. The scarce first UK edition of Tove Jansson's fifth Moomin novel, in the very scarce original dust wrapper. Translated from the original Swedish by Thomas Warburton.The first UK edition, first impression, in the very scarce publisher's original price unclipped dust wrapper.Illustrated throughout with the charming illustrations of Jansson herself.First published in the original Swedish the year prior, under the title 'Farlig Midsommar'.The fifth work in the beloved Moomin series, in this work a volcanic eruption causes Moominvalley to flood, forcing the Moomins to seek refuge aboard a floating theatre.A major theme of the work is the infuriating and rewarding nature of theatre. In the publisher's original cloth binding, with price unclipped dust wrapper. Minor bump to spine head, otherwise externally excellent. Spotting to fore edge of text block, and endpapers. Dust wrapper…