Best Author Careers Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover Author careers as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Rubyism (14K), Unsolicited Manuscript (12K) and Jenna's Substack - Author + Agent + Human (3K).

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

  1. 1
    Rubyism14K subscribers

    SubstackEvery two weeks · last post 22 days ago

    Writing what I want not what the market wants (while wondering if this is what the market actually wants?)

    Likely audience: content creators

  2. 2
    Unsolicited Manuscript12K subscribers

    SubstackWeekly · last post 12 days ago

    An inside peek at all things book publishing.

    Likely audience: Book marketers

  3. 3

    SubstackWeekly · last post 2 days ago

    From recent posts: Jenna's Substack publishes weekly essays on the practical realities of literary agency, including contract negotiations, spec work ethics, and career progression for agents. The content targets aspiring and current…

    Likely audience: Literary agents

  4. 4

    SubstackEvery two weeks · last post 17 days ago

    We demystify the world of children’s publishing and help you develop your creative practice.

    Likely audience: illustrators

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