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. "S96" written in ink to front free endpaper, small ink stamp to bottom edge of text block, a nearly fine copy in a nearly fine dust jacket with light shelf wear to spine ends and small scratch to spine panel. (#126400).