Arslan is a young Asian general who conquers the world in a week without firing a shot and shortly thereafter sets up his headquarters in a small town in Illinois. A masterpiece of political science fiction and a book to challenge such works as Ursula K. LeGuin's "The Dispossessed, "Arslan is a book that others are now measured against. "It's about fathers and sons, about power, about a genuinely ruthless (but not unfeeling) mind in pursuit of a practical...