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Best Book Summaries Newsletters in 2026

NewsletterFIT tracks 7 newsletters that cover Book Summaries as a primary topic, 6 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Haddini Aş (36K), Academy of Ideas (20K) and Bookstrapping (11K).

Updated Nov 11, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Haddini Aş36K subscribers

    SubstackWeekly · last post 10 days ago

    From recent posts: Haddini Aş publishes Turkish-language essays on psychology, philosophy, and self-improvement, often paired with book summaries, tool lists, and announcements for a YouTube series and career community. It is aimed at…

    Likely audience: Philosophy enthusiasts

  2. 2
    Academy of Ideas20K subscribers

    SubstackSeveral times a week · last post 12 days ago

    From recent posts: Academy of Ideas publishes in-depth articles on political philosophy, existentialism, and psychology, featuring works by Carl Jung, Friedrich Nietzsche, and Anthony Storr. The publication targets readers interested in…

    Likely audience: Philosophy students

  3. 3
    Bookstrapping11K subscribers

    SubstackWeekly · last post 10 days ago

    Ideas accionables de los mejores libros de negocio y liderazgo.

    Likely audience: professionals seeking self-improvement

  4. 4
    The Unseen Review7K subscribers

    SubstackSeveral times a week · last post 8 days ago

    From recent posts: The Unseen Review publishes weekly book summaries and literary analysis of contemporary and historical fiction for readers interested in deep-dive reading group discussions. Content includes detailed scene recaps and…

    Likely audience: Book club members

  5. 5
    zubairsbookshelf—

    SubstackEvery two weeks · last post 28 days ago

    From recent posts: This article introduces a book summary for 'The Occult World,' edited by Christopher Partridge, which provides a comprehensive overview of Western occultism from ancient gnosis to the internet age. The text details the…

    Likely audience: Religious studies scholars

  6. 6
    alexmurrell—

    SubstackMonthly or less · last post Sep 4, 2026

    From recent posts: This newsletter edition, titled 'Strategy Made Simple,' summarizes the author's recent articles, book summaries, and links to research on marketing topics such as brand homogenization, repertoire buying, ad effectivenes…

    Likely audience: Marketing professionals

  7. 7
    book notes—

    Substacklast post Mar 23, 2025

    Sharing 3 key takeaways, 2 quotes and 1 action point from the books I read to help you become smarter, healthier and richer.

    Likely audience: Individuals struggling with mental health

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