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Thomas Cowan: Amazon KDP author data

As of Nov 6, 2026, Thomas Cowan has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #7), mostly in Cardiology, Vaccinations, Immunology.

6Books on Amazon
6Listed in 30 days
4.7Average rating
Median price$15.50
Price range (middle 50%)$13 – $16.94
Median reviews707
Total reviews4,170
New books (30 days)0
Breakout books (30 days)0

View on Amazon

What stands out

  • 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $15.50, 57% below the median of their main category, Cardiology.

Thomas Cowan's best-ranked books

  1. Cancer and the New Biology of Water: Why the War on Cancer Has Failed and What That Means  book cover by Thomas Cowan

    Cancer and the New Biology of Water: Why the War on Cancer Has Failed and What That Means for More Effective Prevention and Treatment

    by Thomas Cowan

    • Price$16.02
    • Rating4.7
    • Reviews439

    View on Amazon · Full data on KDPTop

  2. Human Heart, Cosmic Heart: A Doctor's Quest to Understand, Treat, and Prevent Cardiovascul book cover by Thomas Cowan

    Human Heart, Cosmic Heart: A Doctor's Quest to Understand, Treat, and Prevent Cardiovascular Disease

    by Thomas Cowan

    • Price$17.25
    • Rating4.6
    • Reviews707

    View on Amazon · Full data on KDPTop

  3. Human Heart, Cosmic Heart: A Doctor's Quest to Understand, Treat, and Prevent Cardiovascul book cover by Thomas Cowan

    Human Heart, Cosmic Heart: A Doctor's Quest to Understand, Treat, and Prevent Cardiovascular Disease

    by Thomas Cowan

    • Price$14.99
    • Rating4.6
    • Reviews707

    View on Amazon · Full data on KDPTop

  4. Human Heart, Cosmic Heart: A Doctor's Quest to Understand, Treat, and Prevent Cardiovascul book cover by Thomas Cowan

    Human Heart, Cosmic Heart: A Doctor's Quest to Understand, Treat, and Prevent Cardiovascular Disease

    by Thomas Cowan

    • Price$11.99
    • Rating4.6
    • Reviews707

    View on Amazon · Full data on KDPTop

  5. Vaccines, Autoimmunity, and the Changing Nature of Childhood Illness book cover by Thomas Cowan

    Vaccines, Autoimmunity, and the Changing Nature of Childhood Illness

    by Thomas Cowan

    • Price$12.33
    • Rating4.8
    • Reviews805

    View on Amazon · Full data on KDPTop

  6. Vaccines, Autoimmunity, and the Changing Nature of Childhood Illness book cover by Thomas Cowan

    Vaccines, Autoimmunity, and the Changing Nature of Childhood Illness

    by Thomas Cowan

    • Price$24.95
    • Rating4.8
    • Reviews805

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Thomas Cowan have on Amazon?

KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.

Which categories does Thomas Cowan publish in?

Their books chart most often in Cardiology, Vaccinations, Immunology.

How does Thomas Cowan price their books?

The median price is $15.50; half of the books cost $13–$16.94.

Has Thomas Cowan released new books recently?

0 new books in the last 30 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.