Every futurist knows you can’t get a good grip of the future without grappling with the past.  Naturally, we start with books, papers, presentations, hard data, or anything else we think gives us an idea on where we were in whatever field we look.  How about the imaginary?  Science fiction books have foretold many technologies and helped shaped futurist’s thoughts.  Don’t forget your imagination when shaping a future; you never know where you can go when you can dream.
Io9’s 10 Science Fiction Books That Changed the Course of History