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Gregory Eckel: Amazon KDP author data

As of Nov 6, 2026, Gregory Eckel has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #1), mostly in Neurology, Neuroanatomy, Medicine & Health Sciences.

4Books on Amazon
4Listed in 30 days
4.5Average rating
Median price$6.99
Price range (middle 50%)$0.99 – $13.48
Median reviews243
Total reviews972
New books (30 days)0
Breakout books (30 days)0

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What stands out

  • Median price $6.99, 89% below the median of their main category, Neurology.

Gregory Eckel's best-ranked books

  1. Defying Parkinsons: Cutting Edge Therapies That Outperform Standard Neurological Treatment book cover by Gregory Eckel

    Defying Parkinsons: Cutting Edge Therapies That Outperform Standard Neurological Treatments

    by Gregory Eckel

    • Price$14.95
    • Rating4.8
    • Reviews363

    View on Amazon · Full data on KDPTop

  2. Defying Parkinsons: Cutting Edge Therapies That Outperform Standard Neurological Treatment book cover by Gregory Eckel

    Defying Parkinsons: Cutting Edge Therapies That Outperform Standard Neurological Treatments

    by Gregory Eckel

    • Price$0.99
    • Rating4.8
    • Reviews363

    View on Amazon · Full data on KDPTop

  3. Shake it Off: An Integrative Approach to Parkinson's Solutions book cover by Gregory Eckel

    Shake it Off: An Integrative Approach to Parkinson's Solutions

    by Gregory Eckel

    • Price$0.99
    • Rating4.1
    • Reviews123

    View on Amazon · Full data on KDPTop

  4. Shake it Off: An Integrative Approach to Parkinson's Solutions book cover by Gregory Eckel

    Shake it Off: An Integrative Approach to Parkinson's Solutions

    by Gregory Eckel

    • Price$12.99
    • Rating4.1
    • Reviews123

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Gregory Eckel have on Amazon?

KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.

Which categories does Gregory Eckel publish in?

Their books chart most often in Neurology, Neuroanatomy, Medicine & Health Sciences.

How does Gregory Eckel price their books?

The median price is $6.99; half of the books cost $0.99–$13.48.

Has Gregory Eckel 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.