London: Victor Gollancz Ltd, 1975. Octavo, boards. First edition. First book of the "Orbitsville" trilogy. Winner of the British Science Fiction Association Award, Novel, 1976. Anatomy of Wonder (1995) 4-389. Pringle, Science Fiction: The 100 Best Novels 79. Survey of Science Fiction Literature IV, pp. 1617-21. Boards a bit soft at spine ends, 40 mm ball-point pen line on copyright page, a nearly fine copy in nearly fine dust jacket with faint creases at upper spine end. (#105294).