Bookbub
Bookbub is a recurring topic in our coverage of writing, launching, and selling books. This hub collects every article tagged Bookbub, newest first, each grounded in real data and primary sources rather than guru folklore.
Launch & Ignite
The Best Book Promotion Sites for a Launch, Ranked
BookBub, Freebooksy, Bargain Booksy, and the tiers below — where to spend for a sales spike. Ranked on reach, cost, and ROI by genre.
Build the Audience
How Many Reviews Does a Book Actually Need?
Reviews are the social proof that unlocks ads, promos, and conversion. The count and rating thresholds that actually matter — by genre.
Frequently asked
What is Bookbub?
Bookbub is a topic our editors cover across the site, grounded in real market data and primary sources. This hub aggregates the related guidance for indie authors.
How often is the Bookbub hub updated?
This hub updates automatically whenever a new article is tagged Bookbub, so the latest coverage appears first.
Where does the Bookbub guidance come from?
Every article here is researched against real KDP terms, market surveys, and primary sources — sourced and dated, never a guru's screenshot.