London: Arco Publications. 1963. First Edition in English. Octavo, original dark brown (looks black) cloth lettered in gilt on spine panel. 190 pp. Slightly knocked at head of spine, but still a fine copy in a near fine fine dust jacket, small internal stain to verso at spine head, minor rubbing to rear panel, price corner (12s 6d net) intact. Item #312757
Historical fiction with science fiction elements. Set in the eighteenth century, a spurned lover exacts his revenge using a chemical formula for invisibility.