R.D. "Bob" Mathison's Profile > R.D. "Bob"'s Groups

SciFi and Fantasy Book Club
41143 members — last activity 2 hours, 29 min ago
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Space Opera Fans
5299 members — last activity 11 hours, 24 min ago
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The Evolution of Science Fiction
1807 members — last activity Oct 05, 2025 09:38AM
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Sci-Fi, fantasy and speculative Indie Authors Review
1790 members — last activity Oct 02, 2025 04:41PM
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Corona/Samizdat
90 members — last activity Oct 12, 2023 01:37PM
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Goodreads Librarians Group
295709 members — last activity 6 minutes ago
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Writing Buddies
699 members — last activity 50 minutes ago
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