Delany, Samuel R[ay]. THE MOTION OF LIGHT IN WATER: SEX AND SCIENCE FICTION WRITING IN THE EAST VILLAGE, 1957-1965. New York: Arbor House / William Morrow, [1988]. Octavo, pp. [i-viii] ix-xviii [xix-xx] 1-302 [303-304: blank] [note: last leaf is a blank], boards. First edition. Brief signed inscription by Delany to "Paul Bradshaw" on half title page. Winner of the 1989 Hugo award for best nonfiction. A fine copy in fine dust jacket. (#109050)