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Epistemology (Philosophy, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Epistemology (Philosophy, Kindle eBooks), updated Nov 2, 2026: median price $4.99, median 54 reviews, average rating 4.4 and a KDPTop opportunity score of 30/100 (highly competitive).

30Opportunity / 100
$4.99Median price
54Median reviews
Price range (middle 50%)$1.99 – $10.81
Average rating4.4
New releases (90 days)8%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 3% of the parent category Philosophy (1,665), one of the easier corners under it.
  • At $4.99 its median price is below 91% of Kindle eBooks categories, so it is a volume game.
  • Prices spread wide: the middle half runs from $1.99 to $10.81, so budget editions and premium or boxed sets sell side by side.

Top 10 Epistemology best sellers

  1. Complete Works of Plato: A Philosophy Masterclass: Timeless Dialogues and Teachings on Jus book cover by Plato

    Complete Works of Plato: A Philosophy Masterclass: Timeless Dialogues and Teachings on Justice, Truth, and the Pursuit of Knowledge (Grapevine Edition)

    by Plato

    • List rank#1
    • Price$0.19
    • Rating4.3
    • Reviews74

    View on Amazon · Full data on KDPTop

  2. Beyond Good And Evil book cover by Friedrick Nietzche

    Beyond Good And Evil

    by Friedrick Nietzche

    • List rank#2
    • Price$2.99
    • Rating4.5
    • Reviews2,635

    View on Amazon · Full data on KDPTop

  3. The Prince book cover by Niccolò Machiavelli

    The Prince

    by Niccolò Machiavelli

    • List rank#3
    • Price$0.99
    • Rating4.6
    • Reviews1,485

    View on Amazon · Full data on KDPTop

  4. Complete Works of Immanuel Kant: Including The Critique of Pure Reason, The Critique of Pr book cover by Immanuel Kant

    Complete Works of Immanuel Kant: Including The Critique of Pure Reason, The Critique of Practical Reason & many others (Grapevine Edition)

    by Immanuel Kant

    • List rank#4
    • Price$0.49
    • Rating4.3
    • Reviews96

    View on Amazon · Full data on KDPTop

  5. Meditations book cover by Marcus Aurelius

    Meditations

    by Marcus Aurelius

    • List rank#5
    • Price$0.99
    • Rating4.1
    • Reviews82

    View on Amazon · Full data on KDPTop

  6. The Complete Works of Rene Descartes: Discourse on the Method, Meditations on First Philos book cover by Rene Descartes

    The Complete Works of Rene Descartes: Discourse on the Method, Meditations on First Philosophy & More (Grapevine Edition) (The Masters of Philosophy Collection: Timeless Writings)

    by Rene Descartes

    • List rank#6
    • Price$0.49
    • Rating4.5
    • Reviews36

    View on Amazon · Full data on KDPTop

  7. The Stoic Book of Quotes: Over 500 Philosophical Quotations for Inspiration, Achieving Inn book cover by Michael Whiteclear

    The Stoic Book of Quotes: Over 500 Philosophical Quotations for Inspiration, Achieving Inner Peace, Resilience, and Growth in Your Daily Life (The Stoic Wisdom 2)

    by Michael Whiteclear

    • List rank#7
    • Price$1.99
    • Rating4.6
    • Reviews329

    View on Amazon · Full data on KDPTop

  8. The Complete Works of David Hume: An Enquiry Concerning Human Understanding, A Treatise of book cover by David Hume

    The Complete Works of David Hume: An Enquiry Concerning Human Understanding, A Treatise of Human Nature, The History of England, The Natural History of Religion, Essays, Personal Correspondence

    by David Hume

    • List rank#8
    • Price$0.52
    • Rating4.3
    • Reviews27

    View on Amazon · Full data on KDPTop

  9. Made to Stick: Why Some Ideas Survive and Others Die book cover by Chip Heath

    Made to Stick: Why Some Ideas Survive and Others Die

    by Chip Heath

    • List rank#9
    • Price$12.99
    • Rating4.6
    • Reviews3,588

    View on Amazon · Full data on KDPTop

  10. The Problems of Philosophy book cover by Bertrand Russell

    The Problems of Philosophy

    by Bertrand Russell

    • List rank#10
    • Price$0.99
    • Rating4.4
    • Reviews372

    View on Amazon · Full data on KDPTop

Same niche in Books: Epistemology

FAQ

Is Epistemology a good niche for Amazon KDP?

Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 54 reviews and sells for $4.99.

How many reviews do you need to rank in Epistemology?

The median best seller has 54 reviews, and 60% of them have fewer than 100.

What do Epistemology best sellers cost?

The median price is $4.99; half of the best sellers are priced between $1.99 and $10.81.

Can new books break into Epistemology?

8% of the current best sellers were released in the last 90 days.

About this data

Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.