Mark Dowson's Profile > Mark's Groups

Hard SF
1208 members — last activity Jul 14, 2026 05:19PM
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Get Honest Book Reviews without Review Swaps
1881 members — last activity 20 hours, 45 min ago
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Goodreads Librarians Group
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Apocalypse Whenever
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Booktok 📚
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Ask Paulo Coelho - Tuesday, April 2nd!
4079 members — last activity Mar 10, 2017 04:24PM
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Science Fiction Fanatics
2 members — last activity Jul 12, 2026 01:26PM
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Turn of a Page
3509 members — last activity 2 minutes ago
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