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Martin Karen: Amazon KDP author data
As of Nov 6, 2026, Martin Karen has 25 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #3), mostly in Design, Digital Design, Manufacturing.
| Median price | $5.99 |
|---|---|
| Price range (middle 50%) | $5.99 – $6.99 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 11 |
| Breakout books (30 days) | 8 |
What stands out
- Median price $5.99, 87% below the median of their main category, Design.
- 11 new books in the last 30 days, 8 of them broke into a Best Sellers list.
Martin Karen's best-ranked books
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BIOENGINEERING AND BIOMEDICAL SYSTEMS: Medical Devices Tissue Engineering Biomaterials Biosensors and Healthcare Innovation
by Martin Karen
- Price$5.99
- Reviews-
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ELECTRONIC CIRCUIT DESIGN AND ANALYSIS: Analog Circuits Digital Logic Amplifiers Filters Oscillators and PCB Development
by Martin Karen
- Price$5.99
- Reviews-
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ADVANCED MANUFACTURING ENGINEERING: Smart Factories CNC Automation Additive Manufacturing Lean Production and Quality Systems
by Martin Karen
- Price$14.99
- Reviews-
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ELECTRICAL POWER ENGINEERING: Power Generation Transmission Distribution Protection Systems and Smart Grid Technologies
by Martin Karen
- Price$15.99
- Reviews-
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ADVANCED MANUFACTURING ENGINEERING: Smart Factories CNC Automation Additive Manufacturing Lean Production and Quality Systems
by Martin Karen
- Price$5.99
- Reviews-
- Published2026-08
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ELECTRONIC CIRCUIT DESIGN AND ANALYSIS: Analog Circuits Digital Logic Amplifiers Filters Oscillators and PCB Development
by Martin Karen
- Price$14.99
- Reviews-
-
VLSI DESIGN AND SEMICONDUCTOR ENGINEERING: CMOS Technology Digital IC Design Physical Layout Verification Testing and Chip Manufacturing
by Martin Karen
- Price$15.99
- Reviews-
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BIOENGINEERING AND BIOMEDICAL SYSTEMS: Medical Devices Tissue Engineering Biomaterials Biosensors and Healthcare Innovation
by Martin Karen
- Price$13.99
- Reviews-
-
EMBEDDED SYSTEMS ENGINEERING: Microcontrollers Real Time Systems Firmware Development Hardware Integration and IoT Devices
by Martin Karen
- Price$5.99
- Reviews-
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TELECOMMUNICATIONS ENGINEERING: Wireless Networks Fiber Optics Mobile Communications Satellite Systems and 5G Technologies
by Martin Karen
- Price$5.99
- Reviews-
- Published2026-08
Main categories
FAQ
How many books does Martin Karen have on Amazon?
KDPTop tracks 25 of their books; 12 made an Amazon list in the last 30 days.
Which categories does Martin Karen publish in?
Their books chart most often in Design, Digital Design, Manufacturing.
How does Martin Karen price their books?
The median price is $5.99; half of the books cost $5.99–$6.99.
Has Martin Karen released new books recently?
11 new books in the last 30 days, 8 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.