KDP categories · Top KDP authors
D. James Benton: Amazon KDP author data
As of Nov 6, 2026, D. James Benton has 36 books on Amazon, 34 of them on a best-seller list in the last 30 days (best rank #1), mostly in Measurement, Mathematical & Statistical, Algorithms.
| Median price | $0.99 |
|---|---|
| Price range (middle 50%) | $0.99 – $0.99 |
| Median reviews | 4 |
| Total reviews | 400 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 94% 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, Measurement.
D. James Benton's best-ranked books
-
Practical Linear Algebra: Principles & Software
by D. James Benton
- Price$0.99
- Rating3.8
- Reviews9
- Published2023-09
-
Uncertainty: Theory & Practice
by D. James Benton
- Price$0.99
- Rating5.0
- Reviews2
-
Differential Equations: Numerical Methods for Solving
by D. James Benton
- Price$0.99
- Rating4.4
- Reviews44
-
Computational Fluid Dynamics: an Overview of Methods
by D. James Benton
- Price$0.99
- Rating4.5
- Reviews30
-
Thermodynamics: Theory & Practice: The science of energy and power.
by D. James Benton
- Price$0.99
- Rating4.7
- Reviews20
-
Props, Fans, and Pumps: Design & Performance
by D. James Benton
- Price$0.99
- Rating4.5
- Reviews9
-
TP2: Free Plot Tool
by D. James Benton
- Price$0
- Rating5.0
- Reviews1
- Published2026-07
-
Thermochemical Reactions: Numerical Solutions
by D. James Benton
- Price$0.99
- Rating5.0
- Reviews5
-
Practical Linear Algebra: Principles & Software
by D. James Benton
- Price$10.99
- Rating3.7
- Reviews8
-
3D Models in Motion: Using OpenGL
by D. James Benton
- Price$0.99
- Rating5.0
- Reviews2
Main categories
FAQ
How many books does D. James Benton have on Amazon?
KDPTop tracks 36 of their books; 34 made an Amazon list in the last 30 days.
Which categories does D. James Benton publish in?
Their books chart most often in Measurement, Mathematical & Statistical, Algorithms.
How does D. James Benton price their books?
The median price is $0.99; half of the books cost $0.99–$0.99.
Has D. James Benton 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.