Gideon Marcus's Profile > Gideon's Groups

Goodreads Librarians Group
333311 members — last activity 0 minutes ago
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M/M and Queer Romance Group
560 members — last activity Jun 09, 2026 11:12AM
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Addicted to YA
66320 members — last activity 2 hours, 28 min ago
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We PROMOTE Fantasy/Sci-Fi Writers/Authors
1386 members — last activity Jul 29, 2026 12:13PM
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Gay Science Fiction
1966 members — last activity Jun 23, 2026 02:26PM
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M/M Romance
37944 members — last activity 5 minutes ago
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Worlds Beyond the Margins
2144 members — last activity 4 hours, 7 min ago
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