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Robert J. Duperre: Amazon KDP author data

As of Nov 6, 2026, Robert J. Duperre has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #78), mostly in Horror, Dark Fantasy, Science Fiction.

6Books on Amazon
6Listed in 30 days
4.1Average rating
Median price$0.99
Price range (middle 50%)$0.99 – $0.99
Median reviews34
Total reviews379
New books (30 days)1
Breakout books (30 days)1

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 $0.99, 86% below the median of their main category, Horror.

Robert J. Duperre's best-ranked books

  1. The Cursed Flesh (Punga and the Silver Siren Book 2) book cover by Robert J. Duperre

    The Cursed Flesh (Punga and the Silver Siren Book 2)

    by Robert J. Duperre

    • Price$0.99
    • Rating4.6
    • Reviews5

    View on Amazon · Full data on KDPTop

  2. Silas: A Supernatural Thriller (The Infinity Trials) book cover by Robert J. Duperre

    Silas: A Supernatural Thriller (The Infinity Trials)

    by Robert J. Duperre

    • Price$0
    • Rating4.1
    • Reviews264

    View on Amazon · Full data on KDPTop

  3. The Gate: 13 Dark & Odd Tales book cover by Robert J. Duperre

    The Gate: 13 Dark & Odd Tales

    by Robert J. Duperre

    • Price$0
    • Rating3.6
    • Reviews45

    View on Amazon · Full data on KDPTop

  4. The Gate 2: 13 Tales of Isolation and Despair book cover by Robert J. Duperre

    The Gate 2: 13 Tales of Isolation and Despair

    by Robert J. Duperre

    • Price$0
    • Rating3.9
    • Reviews34

    View on Amazon · Full data on KDPTop

  5. A Lesson in Violence (Punga and the Silver Siren Book 1) book cover by Robert J. Duperre

    A Lesson in Violence (Punga and the Silver Siren Book 1)

    by Robert J. Duperre

    • Price$0
    • Rating4.3
    • Reviews31
    • Published2026-03

    View on Amazon · Full data on KDPTop

  6. Death Devours All Lovely Things: An Infinity Trials Novella (The Infinity Trials) book cover by Robert J. Duperre

    Death Devours All Lovely Things: An Infinity Trials Novella (The Infinity Trials)

    by Robert J. Duperre

    • Price$0
    • Reviews-

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Robert J. Duperre have on Amazon?

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

Which categories does Robert J. Duperre publish in?

Their books chart most often in Horror, Dark Fantasy, Science Fiction.

How does Robert J. Duperre price their books?

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

Has Robert J. Duperre released new books recently?

1 new book in the last 30 days, 1 of which reached a Best Sellers list.

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.