Revelation Space (Revelation Space, #1)

by Alastair Reynolds

Skyjacks - at least here - made up a significant portion of the others she saw. They were spacedwellers to be sure, but they did not crew interstellar ships and so their outlook was very different to the wraithlike Ultras, with their dreadlocks and old-fashioned expressions. There were others still. Icecombers were a Skyjack offshoot; psychomodified for the extreme solitude which came from working the Kuiper belt zones, and they kept themselves to themselves with ferocious dedication. Gillies were aquatically modified humans who breathed liquid air; capable of crewing short-range, high-gee ships: they constituted a sizeable fraction of the system’s police force. Some gillies were so incapable of normal respiration and locomotion that they had to move around in huge robotic fishtanks when not on duty. And then there were Conjoiners: descendants of an experimental clique on Mars who had systematically upgraded their minds, swapping cells for machines, until something sudden and drastic had happened. In one moment, they had escalated to a new mode of consciousness - what they called the Transenlightenment - precipitating a brief but nasty war in the process. Conjoiners were easy to pick out in crowds: recently they had bio-engineered huge and beautiful cranial crests for themselves, veined to dissipate the excess heat produced by the furious machines in their heads. There were fewer of them these days, so they tended to draw attention. Other human factions - like the Demarchi...