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Hard SF
— 1210 members
— last activity Jul 27, 2026 09:48AM
This is a discussion group for this specific subgenre in SF where the plausibility of the science counts.
John’s 2025 Year in Books
Take a look at John’s Year in Books, including some fun facts about their reading.
114 books
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9 friends
925 books
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345 friends
116 books
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1,362 friends
217 books
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19 friends
96 books
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18 friends
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