Thriller fiction newsletters

NewsletterFIT tracks 4 newsletters that cover Thriller fiction as a primary topic, 3 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are What To Read If (10K), Gregg Dunnett Author (7K) and Kathleen Flinn (4K).

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    What To Read If10K subscribers

    SubstackMonthly or less · last post 33 days ago

    Likely audience: Book lovers

  2. 2
    Gregg Dunnett Author7K subscribers

    SubstackMonthly or less · last post Aug 19, 2026

    Likely audience: Thriller novel readers

  3. 3
    Kathleen Flinn4K subscribers

    Substacklast post Jul 14, 2026

    Likely audience: Podcast listeners

  4. 4
    The Writer's Life3K subscribers

    SubstackEvery two weeks · last post 10 days ago

    Likely audience: Thriller novel readers

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