KDP categories · Top KDP authors
James Harding: Amazon KDP author data
As of Nov 6, 2026, James Harding has 121 books on Amazon, 17 of them on a best-seller list in the last 30 days (best rank #5), mostly in Advanced, Electricity & Electronics, Number Systems.
| Median price | $14.18 |
|---|---|
| Price range (middle 50%) | $10 – $16 |
| Median reviews | 3 |
| Total reviews | 216 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- Only 14% of the catalog charted in the last 30 days; sales rest on a few titles.
James Harding's best-ranked books
-
Let's Learn Roman Numerals (2023)
by James Harding
- Price$10
- Rating4.3
- Reviews12
-
Piano Note Reading Workbook – 100 Music Notation Worksheets for Daily Practice (US Edition, 2025)
by James Harding
- Price$12
- Rating5.0
- Reviews2
-
Algebra 1 and 2 Workbook with Answers: 1000+ Practice Questions (2025)
by James Harding
- Price$20
- Rating4.7
- Reviews9
-
Precalculus Workbook with Answers: 500+ Practice Questions on Vectors, Matrices, Complex Numbers, and more (2025)
by James Harding
- Price$16
- Rating4.4
- Reviews10
-
Roman Numerals Workbook – 100 Practice Worksheets on Numbers 1-3999 (2024)
by James Harding
- Price$9
- Rating4.4
- Reviews7
-
Let's Learn Roman Numerals (2023)
by James Harding
- Price$10
- Rating4.3
- Reviews12
-
Algebra 2 Workbook with Answers: 400+ Practice Questions on Polynomials, Complex Numbers, Logarithms, and more (2025)
by James Harding
- Price$16
- Rating4.1
- Reviews17
-
GCSE Electronics – 150 Practice Questions on Logic Circuits and Boolean Algebra (2023)
by James Harding
- Price$9.50
- Rating4.5
- Reviews5
-
GCSE Electronics – 150 Practice Questions on Logic Circuits and Boolean Algebra (2023)
by James Harding
- Price$10
- Rating4.5
- Reviews5
-
GCSE Electronics – 200 Practice Questions on Capacitors, Amplifiers, and Timing Circuits (2026)
by James Harding
- Price$16
- Reviews-
Main categories
FAQ
How many books does James Harding have on Amazon?
KDPTop tracks 121 of their books; 17 made an Amazon list in the last 30 days.
Which categories does James Harding publish in?
Their books chart most often in Advanced, Electricity & Electronics, Number Systems.
How does James Harding price their books?
The median price is $14.18; half of the books cost $10–$16.
Has James Harding 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.