When it was first published in 1985, Ursula K. Le Guin’s ambitious and experimental novel Always Coming Home, a tapestry of interwoven stories, poems, histories, myths, and anthropological reports from the fictional Kesh society, included one chapter from a novel called Dangerous People by Arravna, or Wordriver, which Le Guin had “translated” from the Kesh, the invented language of an invented ...