KDP categories · Top KDP authors
ALEX PENROSE: Amazon KDP author data
As of Nov 6, 2026, ALEX PENROSE has 8 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #5), mostly in DSPs, Embedded Systems, PIC Microcontroller.
| Median price | $8.99 |
|---|---|
| Price range (middle 50%) | $8.99 – $34.24 |
| Median reviews | 2 |
| Total reviews | 10 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $8.99, 90% below the median of their main category, DSPs.
ALEX PENROSE's best-ranked books
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MPLAB X IDE: THE COMPLETE GUIDE TO EMBEDDED SYSTEMS DEVELOPMENT: Project Management, Code Editing, Debugging, And Programming For Pic, Avr, Sam, And Dspic Microcontrollers
by ALEX PENROSE
- Price$8.99
- Reviews-
-
MPLAB X IDE: THE COMPLETE GUIDE TO EMBEDDED SYSTEMS DEVELOPMENT: Project Management, Code Editing, Debugging, And Programming For Pic, Avr, Sam, And Dspic Microcontrollers
by ALEX PENROSE
- Price$34.99
- Reviews-
-
BACNET PROTOCOL: THE COMPLETE GUIDE TO BUILDING AUTOMATION SYSTEMS: HVAC Control, Lighting, Access Control, and Multi-Vendor Integration with BACnet/IP and MS/TP Networks
by ALEX PENROSE
- Price$33.99
- Rating4.0
- Reviews2
-
RASPBERRY PI 5: THE COMPLETE GUIDE TO PROJECTS, PROGRAMMING, AND LINUX: GPIO, Python, Camera, NVMe Storage, PCIe Expansion, Docker, and Home Automation for Makers of All Levels
by ALEX PENROSE
- Price$34.99
- Rating5.0
- Reviews3
-
BACNET PROTOCOL: THE COMPLETE GUIDE TO BUILDING AUTOMATION SYSTEMS: HVAC Control, Lighting, Access Control, and Multi-Vendor Integration with BACnet/IP and MS/TP Networks
by ALEX PENROSE
- Price$8.99
- Rating4.0
- Reviews2
-
RASPBERRY PI 5: THE COMPLETE GUIDE TO PROJECTS, PROGRAMMING, AND LINUX: GPIO, Python, Camera, NVMe Storage, PCIe Expansion, Docker, and Home Automation for Makers of All Levels
by ALEX PENROSE
- Price$8.99
- Rating5.0
- Reviews3
-
NFTABLES FOR BEGINNERS: THE COMPLETE GUIDE TO LINUX FIREWALLS, NETWORK SECURITY, AND REPLACING IPTABLES
by ALEX PENROSE
- Price$8.99
- Reviews-
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KLIPPER, MAINSAIL, AND OCTOPRINT: THE MAKER'S GUIDE TO SMART 3D PRINTER FIRMWARE: Install on Raspberry Pi, Configure printer.cfg, Tune Pressure Advance, Create Macros, and Monitor Prints Remotely
by ALEX PENROSE
- Price$8.99
- Reviews-
Main categories
FAQ
How many books does ALEX PENROSE have on Amazon?
KDPTop tracks 8 of their books; 8 made an Amazon list in the last 30 days.
Which categories does ALEX PENROSE publish in?
Their books chart most often in DSPs, Embedded Systems, PIC Microcontroller.
How does ALEX PENROSE price their books?
The median price is $8.99; half of the books cost $8.99–$34.24.
Has ALEX PENROSE 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.