Best Kindle Publishing Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover Kindle publishing as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Thad Riley (8K).

Updated Nov 6, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Thad Riley8K subscribers

    SubstackEvery two weeks · last post 31 days ago

    Author of Gravity and Grace, husband, dad, New Hampshire

    Likely audience: Authors and publishers

  2. 2
    markandrewwatson—

    SubstackEvery two weeks · last post 16 days ago

    From recent posts: The article promotes a free Kindle edition of a Cthulhu Mythos story collection by Mark Watson and includes a personal request for readers to purchase a coffee from the author via a Buy Me A Coffee link.

    Likely audience: Horror fiction readers

  3. 3
    Kimberland—

    SubstackMonthly or less · last post 42 days ago

    Home of novelist and thriller writer, Gomery Kimber

    Likely audience: Thriller novel readers

  4. 4
    John Michael Alaia's Substack—

    SubstackMonthly or less · last post Aug 24, 2026

    New author of Horror/thrillers prepping for first release!

    Likely audience: Thriller novel readers

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