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Robert Brown: Amazon KDP author data
As of Nov 6, 2026, Robert Brown has 8 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #11), mostly in Business Mathematics, Science & Religion, Controversial Knowledge.
| Median price | $16.55 |
|---|---|
| Price range (middle 50%) | $14.27 – $21.75 |
| Median reviews | 26 |
| Total reviews | 202 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 1 |
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 $16.55, 33% below the median of their main category, Business Mathematics.
Robert Brown's best-ranked books
-
Schaum's Outline of Mathematics of Finance, Second Edition (Schaum's Outlines)
by Robert Brown
- Price$15.12
- Rating4.2
- Reviews127
-
STELLAR THEOLOGY AND MASONIC ASTRONOMY : DEBUNKING MASONRY AND RELIGION
by Robert Brown
- Price$3.99
- Rating4.4
- Reviews21
-
Royal Navy Task Force Falklands 1982: Modern sea power in combat (Fleet Book 25)
by Robert Brown
- Price$17.99
- Reviews-
- Published2027-03
-
Identity-Conscious Supervision in Student Affairs: Building Relationships and Transforming Systems
by Robert Brown
- Price$29.30
- Rating4.7
- Reviews26
-
Financial Mathematics: Theory and Practice
by Robert Brown
- Price-
- Rating4.0
- Reviews1
-
Blues Guitar Tracks: The Ultimate Backing Track Collection for Guitar, Book & MP3 CD
by Robert Brown
- Price$13.99
- Rating4.0
- Reviews27
-
Maldives Travel Guide 2024-2025: Your Ultimate Handbook to Exploring the Enchanting Maldives in 2024-2025
by Robert Brown
- Price-
- Reviews-
-
Excalibur Epic Collection: The Douglock Chronicles
by Robert Brown
- Price$29.99
- Rating4.2
- Reviews3
- Published2026-10
-
Royal Navy Task Force Falklands 1982: Modern sea power in combat (Fleet, 25)
by Robert Brown
- Price$23
- Reviews-
Main categories
FAQ
How many books does Robert Brown have on Amazon?
KDPTop tracks 8 of their books; 8 made an Amazon list in the last 30 days.
Which categories does Robert Brown publish in?
Their books chart most often in Business Mathematics, Science & Religion, Controversial Knowledge.
How does Robert Brown price their books?
The median price is $16.55; half of the books cost $14.27–$21.75.
Has Robert Brown released new books recently?
2 new books 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.