Where Do Scifi Fads In Mainstream Lit Come From?

Dale Peck and Tim Kring's alternate-history novel is just the latest in a long history of mainstream authors lifting ideas from science fiction. But what sci-fi concepts have been most in vogue with literary publishers — and when did those fads peak? We decided to look at the biggest novels by literary authors that… » 4/18/08 5:06pm 4/18/08 5:06pm