Gibbon's Decline and Fall — Sheri S. Tepper

The year is 2000. America is swept up in the tide of fundamentalism that is overwhelming the world. Suicide cults and paranoid militias are on the rise and mobs of hooded men drive young women from the streets, as the right-wing American Alliance marshals its forces to close an iron grip on the United States. Yet even as a power-hungry Alliance candidate makes his first move in a game that will land him the presidency, one woman prepares to stand against him. At Carolyn Crespin's side are five women friends, the oddly present spirit of another friend who had been reported dead, and an even more surprising ally, mysterious and powerful--one who hands Carolyn the key to the future of humanity, for good or ill....