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Robert Ellison: Amazon KDP author data

As of Nov 6, 2026, Robert Ellison has 9 books on Amazon, 9 of them on a best-seller list in the last 30 days, mostly in Hydrology, Methodology, Statistics.

9Books on Amazon
9Listed in 30 days
-Average rating
Median price$7.69
Price range (middle 50%)$6.69 – $8.39
Median reviews-
Total reviews0
New books (30 days)9
Breakout books (30 days)0

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 $7.69, 68% below the median of their main category, Hydrology.
  • 9 new books in the last 30 days.

Robert Ellison's best-ranked books

  1. Waves and Surf for Beginners: A Simple Introduction to the Science of Ocean Waves book cover by Robert Ellison

    Waves and Surf for Beginners: A Simple Introduction to the Science of Ocean Waves

    by Robert Ellison

    • Price$8.59
    • Reviews-

    View on Amazon · Full data on KDPTop

  2. Comparative Politics Worldwide: A Guided Audio Tour of Political Systems, Power, and Insti book cover by Robert Ellison

    Comparative Politics Worldwide: A Guided Audio Tour of Political Systems, Power, and Institutions Across the Globe

    by Robert Ellison

    • Price$7.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  3. Geysers and Hot Springs for Beginners: A Clear Guide to the Earth's Hidden Sources of Heat book cover by Robert Ellison

    Geysers and Hot Springs for Beginners: A Clear Guide to the Earth's Hidden Sources of Heat

    by Robert Ellison

    • Price$0.99
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

  4. A Concise History of Naples: 2,500 Years in the Shadow of a Volcano book cover by Robert Ellison

    A Concise History of Naples: 2,500 Years in the Shadow of a Volcano

    by Robert Ellison

    • Price$6.69
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. Anesthesia: The Miracle That Finally Made Surgery Painless book cover by Robert Ellison

    Anesthesia: The Miracle That Finally Made Surgery Painless

    by Robert Ellison

    • Price$7.29
    • Reviews-

    View on Amazon · Full data on KDPTop

  6. Child Abuse True Crime Stories: Inside Real Cases, Red Flags, and the Fight to Protect Chi book cover by Robert Ellison

    Child Abuse True Crime Stories: Inside Real Cases, Red Flags, and the Fight to Protect Children

    by Robert Ellison

    • Price$8.39
    • Reviews-

    View on Amazon · Full data on KDPTop

  7. Quantitative Research in Communication: A Practical Guide to Designing, Measuring, and Ana book cover by Robert Ellison

    Quantitative Research in Communication: A Practical Guide to Designing, Measuring, and Analyzing Human Interaction

    by Robert Ellison

    • Price$0.99
    • Reviews-
    • Published2026-08

    View on Amazon · Full data on KDPTop

  8. Zen Buddhism for Beginners: A Gentle, Practical Guide to Mindfulness, Emptiness, and Every book cover by Robert Ellison

    Zen Buddhism for Beginners: A Gentle, Practical Guide to Mindfulness, Emptiness, and Everyday Enlightenment

    by Robert Ellison

    • Price$8.39
    • Reviews-

    View on Amazon · Full data on KDPTop

  9. Ships and Sailing: How Wooden Hulls Connected a Scattered World book cover by Robert Ellison

    Ships and Sailing: How Wooden Hulls Connected a Scattered World

    by Robert Ellison

    • Price$7.69
    • Reviews-

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Robert Ellison have on Amazon?

KDPTop tracks 9 of their books; 9 made an Amazon list in the last 30 days.

Which categories does Robert Ellison publish in?

Their books chart most often in Hydrology, Methodology, Statistics.

How does Robert Ellison price their books?

The median price is $7.69; half of the books cost $6.69–$8.39.

Has Robert Ellison released new books recently?

9 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.