Notes from a Small IslandAfter nearly two decades in Britain, Bill Bryson decided it was time to move back to the United States for a while, to let his kids experience life in another country, to give his wife a chance to shop until 10 p. m. seven nights a week, and most of all, because he had read that 3. 7 million Americans believed that they had been abducted by aliens at one time or another. It was thus clear to him that his people needed him. But before leaving his much