London: Gollancz, 1970. Hardcover. 8vo. 191pp. First British edition, and first hardcover edition of a book initially published as a 1969 Ace paperback. Fine in an unclipped dust jacket with a 1/4" closed tear at top of rear panel (tape repaired to interior; adhesive has left a darkened stain visible on exterior) and some laminate separation along the panel hinges. A sharp copy.