Marcin Wrona's Profile > Marcin's Groups

Amazon Kindle
11810 members — last activity May 23, 2026 04:27PM
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Promoting and Socialising with authors
184 members — last activity Mar 01, 2023 03:49PM
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Goodreads Self Published Authors
1397 members — last activity May 25, 2025 09:51AM
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Building a SciFi/Fantasy Library
3670 members — last activity Mar 28, 2026 08:51AM
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Goodreads Authors/Readers
56706 members — last activity 12 hours, 13 min ago
Marcin's comments (0)

Indie Book Collective
2951 members — last activity Jan 12, 2026 02:38AM
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Book Promotion Forum by Genre
723 members — last activity Apr 24, 2026 05:12PM
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Editio Self-Publishing
1426 members — last activity May 13, 2026 11:25AM
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