KDP categories · Top KDP authors
Henry T. Brown: Amazon KDP author data
As of Nov 6, 2026, Henry T. Brown has 10 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #2), mostly in Machinery, Mechanics, Industrial, Manufacturing & Operational Systems.
| Median price | $6.41 |
|---|---|
| Price range (middle 50%) | $3.53 – $11.61 |
| Median reviews | 1,227 |
| Total reviews | 10,000 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- 90% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $6.41, 68% below the median of their main category, Machinery.
Henry T. Brown's best-ranked books
-
507 Mechanical Movements
by Henry T. Brown
- Price$0.99
- Rating4.5
- Reviews1,612
- Published2025-05
-
507 Mechanical Movements
by Henry T. Brown
- Price$5.15
- Rating4.5
- Reviews1,612
-
507 Mechanical Movements: Mechanisms and Devices (Dover Science Books)
by Henry T. Brown
- Price$0.99
- Rating4.2
- Reviews1,227
-
507 Mechanical Movements: Mechanisms and Devices
by Henry T. Brown
- Price$2.99
- Rating4.2
- Reviews1,227
-
507 Mechanical Movements
by Henry T. Brown
- Price$12.15
- Rating4.5
- Reviews1,612
-
507 Mechanical Movements: Mechanisms and Devices
by Henry T. Brown
- Price$14.39
- Rating4.2
- Reviews1,227
-
Mästermyr Find: A Viking Age Tool Chest from Gotland
by Henry T. Brown
- Price$17.95
- Rating4.7
- Reviews192
-
507 Mechanical Movements in Dynamics, Hydraulics, Hydrostatics, Pneumatics, Steam Engines, Mill and Other Gearing
by Henry T. Brown
- Price$6.82
- Rating4.2
- Reviews1,227
-
507 Mechanical Movements: Mechanisms and Devices
by Henry T. Brown
- Price$5.99
- Rating4.4
- Reviews60
-
Five Hundred and Seven Mechanical Movements
by Henry T. Brown
- Price$10
- Rating4.7
- Reviews6
Main categories
FAQ
How many books does Henry T. Brown have on Amazon?
KDPTop tracks 10 of their books; 9 made an Amazon list in the last 30 days.
Which categories does Henry T. Brown publish in?
Their books chart most often in Machinery, Mechanics, Industrial, Manufacturing & Operational Systems.
How does Henry T. Brown price their books?
The median price is $6.41; half of the books cost $3.53–$11.61.
Has Henry T. Brown released new books recently?
1 new book 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.