Bill's Profile > Bill's Groups

Science Fiction & Philosophy
199 members — last activity Feb 27, 2026 12:52AM
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Hard Sci-Fi Lovers
165 members — last activity Jan 25, 2026 05:49AM
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Hard SF
1199 members — last activity Apr 20, 2026 07:08AM
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Goodreads Authors/Readers
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21 members — last activity Apr 24, 2021 10:56AM
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Fans of Author Seth Harwood
38 members — last activity Apr 25, 2011 11:14AM
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Preorder Campaigns
21 members — last activity Jul 15, 2021 01:42PM
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