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Robert Ingraham: Amazon KDP author data
As of Nov 6, 2026, Robert Ingraham has 22 books on Amazon, 11 of them on a best-seller list in the last 30 days (best rank #6), mostly in Manufacturing, Industrial, Manufacturing & Operational Systems, Globalization.
| Median price | $11.99 |
|---|---|
| Price range (middle 50%) | $11.99 – $19.98 |
| Median reviews | 8 |
| Total reviews | 477 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- 50% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $11.99, 45% below the median of their main category, Manufacturing.
Robert Ingraham's best-ranked books
-
The Modern Anglo-Dutch Empire: Its Origins, Evolution, and Anti-Human Outlook
by Robert Ingraham
- Price$16.99
- Rating4.5
- Reviews73
-
The Modern Anglo-Dutch Empire: Its Origins, Evolution, and Anti-Human Outlook
by Robert Ingraham
- Price$11.99
- Rating4.5
- Reviews73
-
The Modern Anglo-Dutch Empire (color edition): Its Origins, Evolution, and Anti-Human Outlook
by Robert Ingraham
- Price$24.95
- Rating5.0
- Reviews1
-
A Police Dossier: It is the British Who Murder Our Presidents
by Robert Ingraham
- Price$20
- Rating4.8
- Reviews119
-
A Police Dossier: It is the British Who Murder Our Presidents
by Robert Ingraham
- Price$9.99
- Rating4.8
- Reviews119
-
William McKinley: "Principles Must Always Lead"
by Robert Ingraham
- Price$11.99
- Rating4.7
- Reviews8
-
Scenes from the American System
by Robert Ingraham
- Price$11.99
- Reviews-
-
National Banking
by Robert Ingraham
- Price$11.99
- Rating4.8
- Reviews13
- Published2022-06
-
William McKinley: "Principles Must Always Lead"
by Robert Ingraham
- Price$10.99
- Rating4.7
- Reviews8
-
Scenes from the American System
by Robert Ingraham
- Price$19.95
- Reviews-
Main categories
FAQ
How many books does Robert Ingraham have on Amazon?
KDPTop tracks 22 of their books; 11 made an Amazon list in the last 30 days.
Which categories does Robert Ingraham publish in?
Their books chart most often in Manufacturing, Industrial, Manufacturing & Operational Systems, Globalization.
How does Robert Ingraham price their books?
The median price is $11.99; half of the books cost $11.99–$19.98.
Has Robert Ingraham released new books recently?
2 new books in the last 30 days, 2 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.