Marcin Wrona's Profile > Marcin's Groups

Amazon Kindle
11921 members — last activity Jul 20, 2026 05:27AM
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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
3673 members — last activity May 30, 2026 06:58AM
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Goodreads Authors/Readers
57193 members — last activity 10 minutes ago
Marcin's comments (0)

Indie Book Collective
2956 members — last activity Jan 12, 2026 02:38AM
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Book Promotion Forum by Genre
724 members — last activity Apr 24, 2026 05:12PM
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Editio Self-Publishing
1428 members — last activity May 13, 2026 11:25AM
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