The City Who Fought - Brainship, Bk 4 Author:Anne McCaffrey SSS-900, a huge space station controlled by the brain of Simeon--a shellperson (infants who have catrostrophic birth defects but normal brain function are placed in shells which take over all the functions that their bodies are incapable of. Upon adulthood these shellpersons have a choice of careers available, piloting brainships, running cities... more », planets or a space station) who relieves his daily monotony by replaying computer simulations of great battles--becomes the only thing standing between ruthless alien pirates and total destruction.« less