KDP categories · Top KDP authors
Brad K. James: Amazon KDP author data
As of Nov 6, 2026, Brad K. James has 22 books on Amazon, 14 of them on a best-seller list in the last 30 days (best rank #1), mostly in Wireless Networks, Telephone Systems, Transistors.
| Median price | $15.99 |
|---|---|
| Price range (middle 50%) | $7.99 – $17.99 |
| Median reviews | 1 |
| Total reviews | 10 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 64% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $15.99, 27% below the median of their main category, Wireless Networks.
Brad K. James's best-ranked books
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STARLINK EXPLAINED: An In-Depth Look at the Science, Innovation, and Vision Behind Elon Musk’s Satellite Empire and the Future of Global Connectivity (AI, Bot and Gadgets Reviews and updates Book 1)
by Brad K. James
- Price$7.99
- Reviews-
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The Science Behind Formula 1 Cars: How It Works: Speed, Aerodynamics, and Precision Engineering (HOW SCIENCE, TECHNOLOGY AND ENGINEERING WORKS)
by Brad K. James
- Price$15.99
- Rating3.0
- Reviews1
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The Science Behind Transistors: How It Works: The Tiny Switches That Power Modern Technology (HOW SCIENCE, TECHNOLOGY AND ENGINEERING WORKS Book 7)
by Brad K. James
- Price$7.99
- Reviews-
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The Science Behind Rotary Telephones: Exploring the Mechanics, History, and Legacy of Circuit Switching Technology That Connected the World (HOW SCIENCE, TECHNOLOGY AND ENGINEERING WORKS)
by Brad K. James
- Price$15.99
- Reviews-
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The Science Behind Transistors: How It Works: The Tiny Switches That Power Modern Technology (HOW SCIENCE, TECHNOLOGY AND ENGINEERING WORKS)
by Brad K. James
- Price$15.99
- Reviews-
-
The Science Behind Graphics Processors (GPU): How It Works: The Parallel Engine That Powers Graphics, Deep Learning, and Data Science in Gaming and Film ... TECHNOLOGY AND ENGINEERING WORKS Book 1)
by Brad K. James
- Price$7.99
- Reviews-
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The Science Behind the Internet: How It Works: From Cables to Cloud in Milliseconds—The Hidden System That Connects the World (HOW SCIENCE, TECHNOLOGY AND ENGINEERING WORKS Book 6)
by Brad K. James
- Price$7.99
- Reviews-
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The Science Behind Film Cameras: How It Works —Capturing Light on Celluloid in Mechanical Harmony (HOW SCIENCE, TECHNOLOGY AND ENGINEERING WORKS)
by Brad K. James
- Price$16.99
- Rating5.0
- Reviews1
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The Science Behind Rotary Telephones: Exploring the Mechanics, History, and Legacy of Circuit Switching Technology That Connected the World (HOW SCIENCE, TECHNOLOGY AND ENGINEERING WORKS Book 22)
by Brad K. James
- Price$7.99
- Reviews-
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GIMP 3.0 User Guide for Beginners: A Step-by-Step Practical Manual to Master Photo Editing Tools, Features, Tips, and Troubleshooting — From Simple Adjustments ... Projects (Graphics Tools Guide Book 1)
by Brad K. James
- Price$8.99
- Rating3.5
- Reviews2
Main categories
FAQ
How many books does Brad K. James have on Amazon?
KDPTop tracks 22 of their books; 14 made an Amazon list in the last 30 days.
Which categories does Brad K. James publish in?
Their books chart most often in Wireless Networks, Telephone Systems, Transistors.
How does Brad K. James price their books?
The median price is $15.99; half of the books cost $7.99–$17.99.
Has Brad K. James 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.