London, Millenium, 1992. First Edition. First Impression. Hardback. A near fine copy. First British edition, preceded slightly by the US Tor edition. The first novel in the Zones of Thought series (there was an earlier novella in 1988 in the same series). Hugo Winner. The book is near fine with just a little pushing to the tips and a very slight lean. Pencil indentation from previous seller's price and some toning to top of block. Cover art by Boris Vallejo [7930, Hyraxia Books].