Mystery newsletters

NewsletterFIT tracks 7 newsletters that cover Mystery as a primary topic, 5 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Becoming Human (1K).

Updated Oct 29, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Becoming Human 1K subscribers

    Substack Every two weeks · last post 17 days ago

    Likely audience: Poetry enthusiasts

  2. 2
    John Madrid —

    Substack Every two weeks · last post 18 days ago

    Likely audience: fiction readers

  3. 3
    H. is for Horror —

    Substack Every two weeks · last post 14 days ago

    Likely audience: Teen readers

  4. 4
    A.K. Preston —

    Substack Every two weeks · last post 10 days ago

    Likely audience: Fantasy novel readers

  5. 5
    The Inciting Incident with Mata Haggis-Burridge —

    Substack Every two weeks · last post 12 days ago

    Likely audience: Horror fiction readers

  6. 6
    Dynamic Creed: The Sharp Edge of Fiction —

    Substack last post Apr 12, 2026

    Likely audience: fiction readers

  7. 7
    The World of Soul Merge —

    Substack last post Aug 13, 2025

    Likely audience: mystery novel readers

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