Look, it's the history of science fiction!

Courtesy of a clever artist named Ward Shelley, here's an easy-to-absorb (sort of) pictorial representation of the literature of the fantastic, from prehistoric/preliterate days right up the present second: Okay it's kinda hard to see here. Go here for a much better view: http://www.wardshelley.com/ From there you can click on various tabs to enlarge...