KDP categories · Top KDP authors
J A Clarke: Amazon KDP author data
As of Nov 6, 2026, J A Clarke has 4 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #16), mostly in Windows, Windows Desktop, Operating Systems.
| Median price | $5.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $8.79 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 1 |
What stands out
- Median price $5.99, 74% below the median of their main category, Windows.
- 3 new books in the last 30 days, 1 of them broke into a Best Sellers list.
J A Clarke's best-ranked books
-
Complete Windows 11 Guide for Seniors Quick Success: Learn Faster with Easy Lessons, Large Screenshots, Simple Navigation, Security Tips, and Practical Daily Tasks
by J A Clarke
- Price$5.99
- Reviews-
- Published2026-08
-
Complete Windows 11 Guide for Seniors Quick Success: Learn Faster with Easy Lessons, Large Screenshots, Simple Navigation, Security Tips, and Practical Daily Tasks
by J A Clarke
- Price$17.21
- Reviews-
- Published2026-08
-
Essential Windows 11 Guide for Seniors in 7 Days: Quick Large Print Handbook to Learn the Desktop, Settings, Apps, Security, Printing, and Everyday Computer Skills.
by J A Clarke
- Price$5.99
- Reviews-
-
The Ultimate Windows 11 Guide for Seniors: Master Windows 11 in Days with Large Print, Simple Steps, Essential Tips, Internet Safety, Email, Photos, and Video Calls
by J A Clarke
- Price$5.99
- Reviews-
Main categories
FAQ
How many books does J A Clarke have on Amazon?
KDPTop tracks 4 of their books; 3 made an Amazon list in the last 30 days.
Which categories does J A Clarke publish in?
Their books chart most often in Windows, Windows Desktop, Operating Systems.
How does J A Clarke price their books?
The median price is $5.99; half of the books cost $5.99–$8.79.
Has J A Clarke released new books recently?
3 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.