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William Walsh: Amazon KDP author data

As of Nov 6, 2026, William Walsh has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #11), mostly in Depression, Nervous System, Alzheimer's Disease.

6Books on Amazon
6Listed in 30 days
4.6Average rating
Median price$11.99
Price range (middle 50%)$11.54 – $24.44
Median reviews1,116
Total reviews3,377
New listings (30 days, incl. new editions)1
Breakout books (30 days)0

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What stands out

  • 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.

William Walsh's best-ranked books

  1. An Unconventional Introduction to Sharks book cover by William Walsh

    An Unconventional Introduction to Sharks

    by William Walsh

    • Price$2.99
    • Rating4.7
    • Reviews16

    View on Amazon · Full data on KDPTop

  2. Nutrient Power: Heal Your Biochemistry and Heal Your Brain book cover by William Walsh

    Nutrient Power: Heal Your Biochemistry and Heal Your Brain

    by William Walsh

    • Price$11.99
    • Rating4.5
    • Reviews1,117

    View on Amazon · Full data on KDPTop

  3. Nutrient Power: Heal Your Biochemistry and Heal Your Brain book cover by William Walsh

    Nutrient Power: Heal Your Biochemistry and Heal Your Brain

    by William Walsh

    • Price$11.99
    • Rating4.5
    • Reviews1,116

    View on Amazon · Full data on KDPTop

  4. Nutrient Power: Heal Your Biochemistry and Heal Your Brain book cover by William Walsh

    Nutrient Power: Heal Your Biochemistry and Heal Your Brain

    by William Walsh

    • Price$11.39
    • Rating4.5
    • Reviews1,117

    View on Amazon · Full data on KDPTop

  5. The Essence of Bipolar Disorder: Based on Progress in Neuroscience and Genetics book cover by William Walsh

    The Essence of Bipolar Disorder: Based on Progress in Neuroscience and Genetics

    by William Walsh

    • Price$28.59
    • Rating4.6
    • Reviews11

    View on Amazon · Full data on KDPTop

  6. Flannery O'Connor's Andalusia: The Georgia Dairy Farm and Its Influence in Her Fiction book cover by William Walsh

    Flannery O'Connor's Andalusia: The Georgia Dairy Farm and Its Influence in Her Fiction

    by William Walsh

    • Price$65
    • Reviews-

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does William Walsh have on Amazon?

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

Which categories does William Walsh publish in?

Their books chart most often in Depression, Nervous System, Alzheimer's Disease.

How does William Walsh price their books?

The median price is $11.99; half of the books cost $11.54–$24.44.

Has William Walsh released new books recently?

1 new book 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.