Marc Horn's Profile > Marc's Groups

Goodreads Librarians Group
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Ask Marc Horn about Persona
2 members — last activity Jul 30, 2014 07:19AM
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Author Discoverability
185 members — last activity Aug 03, 2017 10:50PM
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Goodreads Authors/Readers
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Free Kindle Ebooks
1778 members — last activity Apr 06, 2026 01:00PM
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BooklyBooks
100 members — last activity May 18, 2018 09:59AM
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Tips for Self Promotion, Sales, and Advertising
2402 members — last activity Jul 10, 2025 06:00PM
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We PROMOTE Fantasy/Sci-Fi Writers/Authors
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