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Ethics (Philosophy, Books): Amazon KDP category data

Amazon Books Best Sellers data for Ethics (Philosophy, Books), updated Nov 2, 2026: median price $24.97, median 82 reviews, average rating 4.5 and a KDPTop opportunity score of 28/100 (highly competitive).

28Opportunity / 100
$24.97Median price
82Median reviews
Price range (middle 50%)$16.33 – $36.89
Average rating4.5
New releases (90 days)1%
Books on the list100
StoreBooks

What stands out

  • Only 1% of its best sellers are under 90 days old, fewer than in 97% of Books categories: established titles hold the list.
  • Its median reviews are 23% of the parent category Philosophy (351), one of the easier corners under it.
  • At $24.97 its median price beats 84% of Books categories, leaving more margin per copy.

Top 10 Ethics best sellers

  1. A Guide to the Good Life: The Ancient Art of Stoic Joy book cover by William B. Irvine

    A Guide to the Good Life: The Ancient Art of Stoic Joy

    by William B. Irvine

    • List rank#1
    • Price$15.87
    • Rating4.5
    • Reviews6,564

    View on Amazon · Full data on KDPTop

  2. Nicomachean Ethics book cover by Aristotle

    Nicomachean Ethics

    by Aristotle

    • List rank#2
    • Price$18
    • Rating4.6
    • Reviews458

    View on Amazon · Full data on KDPTop

  3. On Liberty, Utilitarianism and Other Essays (Oxford World's Classics) book cover by John Stuart Mill

    On Liberty, Utilitarianism and Other Essays (Oxford World's Classics)

    by John Stuart Mill

    • List rank#3
    • Price$11.49
    • Rating4.7
    • Reviews519

    View on Amazon · Full data on KDPTop

  4. Letters on Ethics: To Lucilius (The Complete Works of Lucius Annaeus Seneca) book cover by Lucius Annaeus Seneca

    Letters on Ethics: To Lucilius (The Complete Works of Lucius Annaeus Seneca)

    by Lucius Annaeus Seneca

    • List rank#4
    • Price$39.52
    • Rating4.7
    • Reviews327

    View on Amazon · Full data on KDPTop

  5. The Prince (Oxford World's Classics) book cover by Niccoló Machiavelli

    The Prince (Oxford World's Classics)

    by Niccoló Machiavelli

    • List rank#5
    • Price$6.46
    • Rating4.6
    • Reviews479

    View on Amazon · Full data on KDPTop

  6. Republic (Oxford World's Classics) book cover by Plato

    Republic (Oxford World's Classics)

    by Plato

    • List rank#6
    • Price$9.26
    • Rating4.6
    • Reviews451

    View on Amazon · Full data on KDPTop

  7. The Nicomachean Ethics (Oxford World's Classics) book cover by Aristotle

    The Nicomachean Ethics (Oxford World's Classics)

    by Aristotle

    • List rank#7
    • Price$13.93
    • Rating4.6
    • Reviews936

    View on Amazon · Full data on KDPTop

  8. Leviathan: With selected variants from the Latin edition of 1668 (Hackett Classics) book cover by Thomas Hobbes

    Leviathan: With selected variants from the Latin edition of 1668 (Hackett Classics)

    by Thomas Hobbes

    • List rank#8
    • Price$18
    • Rating4.6
    • Reviews332

    View on Amazon · Full data on KDPTop

  9. Diogenes the Cynic: Sayings and Anecdotes, With Other Popular Moralists book cover by Diogenes the Cynic

    Diogenes the Cynic: Sayings and Anecdotes, With Other Popular Moralists

    by Diogenes the Cynic

    • List rank#9
    • Price$15.95
    • Rating4.8
    • Reviews485

    View on Amazon · Full data on KDPTop

  10. On Law, Morality and Politics, 2nd Edition book cover by Thomas Aquinas

    On Law, Morality and Politics, 2nd Edition

    by Thomas Aquinas

    • List rank#10
    • Price$20
    • Rating4.5
    • Reviews180

    View on Amazon · Full data on KDPTop

FAQ

Is Ethics a good niche for Amazon KDP?

Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 82 reviews and sells for $24.97.

How many reviews do you need to rank in Ethics?

The median best seller has 82 reviews, and 55% of them have fewer than 100.

What do Ethics best sellers cost?

The median price is $24.97; half of the best sellers are priced between $16.33 and $36.89.

Can new books break into Ethics?

1% 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.