London: Jonathan Cape, 1965. First British edition. Uncorrected proof of the first British edition, in trial dust jacket. Signed by Kurt Vonnegut on the front free endpaper with a self-caricature. 217 pp. Bound in publisher's patterned red wraps with label on front wrap. Very Good+ with slightly creased and concave spine, light wear, in Very Good trial jacket with sunned spine, lightly edge worn. A rare UK pre-publication version of Vonnegut's novel, sent to reviewers and publishing industry figures. Ahearn APG 006d.