Science fiction (also called as sci-fi) is a literary genre that deals with imaginary content. Science fiction books take readers to a wonderful future world, where highly-advanced gadgets perform implausible tasks in the blink of an eye. Some of the best sci-fi books are penned by authors like H G Wells, Jules Verne, Arthur C Clarke, George Orwell, Jack London, Isaac Asimov, Ray Bradbury and more. In India too, sci-fi novels are written by authors like Samit Basu, Payal Dhar, Vandana Singh, Anil Menon, Amitav Ghosh, Salman Rushdie and others.
Space odysseys provide a strong background for any science fiction book as many authors of sci-fi books describe happenings that take place in space in their novels. Time of such science fiction novels is almost hundred years in advance of the current year; dramatis personae include aliens and men & women with supernatural power; characters are shown using super-technology and weapons like ray guns & humanoid computers.