Although I have to point out that there was a piece of speculative science fiction called The Blazing World published by one Margaret Cavendish, Duchess of Newcastle-upon-Tyne in 1666, slightly predating Mary Shelley.
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Although I have to point out that there was a piece of speculative science fiction called The Blazing World published by one Margaret Cavendish, Duchess of Newcastle-upon-Tyne in 1666, slightly predating Mary Shelley.