io9.com popular Apr 20, 09 01:26 pm — Sex and science fiction have not always been the most obvious partners; combining the two has occasionally defeated even the genre's greatest luminaries. But here are ten authors who successfully brought sex into the future.
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WWW The Female Man, which considered four women living on four different parallel universes who then travel between each other's worlds. WWW
Heinleins liner notes kick her whole books ass.