Mystery fiction newsletters

NewsletterFIT tracks 8 newsletters that cover Mystery fiction as a primary topic, 6 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are so many thoughts, so little time (17K), Allison Brennan: Murder She Writes (14K) and Buy Direct From Authors (10K).

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

  1. 1
    so many thoughts, so little time17K subscribers

    SubstackMonthly or less · last post Aug 7, 2026

    Likely audience: Authors and writers

  2. 2
    Allison Brennan: Murder She Writes14K subscribers

    SubstackMonthly or less · last post 18 days ago

    Likely audience: Thriller novel readers

  3. 3
    Buy Direct From Authors10K subscribers

    SubstackEvery two weeks · last post 19 days ago

    Likely audience: Audiobook listeners

  4. 4
    Notes From the Margin10K subscribers

    SubstackMonthly or less · last post 30 days ago

    Likely audience: Mystery novel readers

  5. 5
    Premier roman8K subscribers

    SubstackMonthly or less · last post Aug 20, 2026

    Likely audience: Book readers

  6. 6
    The Cluesletter1K subscribers

    SubstackEvery two weeks · last post 16 days ago

    Likely audience: Book club members

  7. 7
    Hugh Wesley’s Newsletter1K subscribers

    Substacklast post Nov 14, 2025

    Likely audience: Kindle Unlimited subscribers

  8. 8
    The World of Soul Merge—

    Substacklast post Aug 13, 2025

    Likely audience: mystery novel readers

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