This list ranks the best science fiction novels ever written, as voted on by sci-fi readers. Anyone can add their picks to this list of sci-fi books, making it an accurate, real-time ranking of the best sci-fi books of all time by the people who live and breathe Asimov, Heinlein, Bradbury, and Clarke.
Vote up the novels that you think best represent the greatest science fiction books ever written in order to determine the most popular science fiction books on the shelves. It doesn't much matter they're classic or modern, utopian or dystopian; if they're popular sci-fi books, this list is the place to rank them.
If you see a book that's missing, add it. Vote up your favorite literary slices of sci-fi. And for maximum impact, make your own list by reranking this one your own way, so that everyone can see whether your top rated sci-fi novels take place on Arrakis, Mars, or even Earth.