B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
1,000
1,000 -- email subscribers for Free Books Hub (2025)
Free Books Hub sends one email to at least 1,000 eBook subscribers as part of its priority listing package.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
1,000
Unit
Count
Data Vintage
2025
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Free Books Hub
Primary
Tier C
https://thisiswriting.com/the-essential-list-of-book-promotions-sites/ ↗
Source Article
Best Book Promotion Websites for Authors 2025 Guide| This is Writing
You’ve been slaving for months or even years over the first manuscript of your book. You’ve spent endless hours into days and nights going over the content and polishing any errors. You think it’s finally really to start its journey into the world of independent book publishing. The question now is …
Original Research
Free Books Hub
· Original study ↗
Methodology
Stated email list size for priority listing package
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Free Books Hub: 1,000 email subscribers. Source: Free Books Hub (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/free-books-hub-email-subscribers
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<blockquote cite="https://lighthousedata.io/data/free-books-hub-email-subscribers" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>1,000</strong> -- email subscribers for Free Books Hub<br><small>Source: Free Books Hub (2025) · <a href="https://lighthousedata.io/data/free-books-hub-email-subscribers" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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