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Alex Rivers: Amazon KDP author data
As of Nov 6, 2026, Alex Rivers has 31 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #12), mostly in Hydraulics, Hydrology, Manufacturing.
| Median price | $4.99 |
|---|---|
| Price range (middle 50%) | $3.03 – $18.74 |
| Median reviews | 434 |
| Total reviews | 76,162 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- Median price $4.99, 50% below the median of their main category, Hydraulics.
Alex Rivers's best-ranked books
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Vale of Dreams (Fey Spy Academy Book 2)
by Alex Rivers
- Price$3.99
- Rating4.5
- Reviews14,004
-
Microcontrollers Programming: Unlocking the Power of Hardware Control
by Alex Rivers
- Price$2.99
- Reviews-
-
Agent of Chaos (Dark Fae FBI Book 2)
by Alex Rivers
- Price$4.99
- Rating4.4
- Reviews3,239
-
SHAPR3D USER GUIDE FOR ABSOLUTE BEGINNERS: Learn 3D Modelling and Master the Essential Design Workflow to Sketch, Build, Edit, and Create precise 3D Models from Start to Finish
by Alex Rivers
- Price$9.22
- Reviews-
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SHAPR3D USER GUIDE FOR ABSOLUTE BEGINNERS: Learn 3D Modelling and Master the Essential Design Workflow to Sketch, Build, Edit, and Create precise 3D Models from Start to Finish
by Alex Rivers
- Price$20.99
- Reviews-
-
Damming the Rivers: Basics of Hydraulic Engineering
by Alex Rivers
- Price$2.99
- Reviews-
-
Avalon Tower: Fey Spy Academy, Book 1
by Alex Rivers
- Price$0.99
- Rating4.3
- Reviews19,513
- Published2024-03
-
Lady of the Lake: Fey Spy Academy, Book 3
by Alex Rivers
- Price$0.99
- Rating4.4
- Reviews15,049
- Published2025-05
-
Vale of Dreams: Fey Spy Academy, Book 2
by Alex Rivers
- Price$0
- Rating4.5
- Reviews13,984
-
Agent of Darkness (Dark Fae FBI Book 3)
by Alex Rivers
- Price$4.99
- Rating4.5
- Reviews2,995
Main categories
FAQ
How many books does Alex Rivers have on Amazon?
KDPTop tracks 31 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Alex Rivers publish in?
Their books chart most often in Hydraulics, Hydrology, Manufacturing.
How does Alex Rivers price their books?
The median price is $4.99; half of the books cost $3.03–$18.74.
Has Alex Rivers 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.