KDP categories · Top KDP authors
Japhet Lagat: Amazon KDP author data
As of Nov 6, 2026, Japhet Lagat has 10 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #16), mostly in Machinery, Electric Machinery & Motors, Electricity Principles.
| Median price | $11.97 |
|---|---|
| Price range (middle 50%) | $10.48 – $19.46 |
| Median reviews | 4 |
| Total reviews | 67 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- 50% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $11.97, 40% below the median of their main category, Machinery.
Japhet Lagat's best-ranked books
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ELECTRICAL MOTOR CONTROLS: Automated Industrial System (Electrical & Electronic Automation Engineering Books Book 2)
by Japhet Lagat
- Price$9.95
- Rating4.4
- Reviews25
-
Industrial Electrical Systems & Motor Controls: A Hands On Guide to NEC Based Wiring, Control Circuits, PLCs, VFDs, and Industrial Troubleshooting
by Japhet Lagat
- Price$11.99
- Reviews-
-
ELECTRICAL MOTOR CONTROLS: Automated Industrial System (Electrical & Electronic Automation Engineering Books)
by Japhet Lagat
- Price$21.95
- Rating4.4
- Reviews25
-
PLC PROGRAMMING AND POWER CONTROLS: Ladder Programming & Controls Circuitry For Beginners (Electrical & Electronic Automation Engineering Books)
by Japhet Lagat
- Price$24.88
- Rating3.2
- Reviews4
-
The DIY Off Grid Solar Power Simplified: The Most Complete Guide to Design, Install, and Maintain Solar Energy Systems for Tiny Homes, Cabins, RVs, and Boats
by Japhet Lagat
- Price$11.95
- Reviews-
-
PLC Programming and Power Controls: Guide for beginners (Electrical & Electronic Automation Engineering Books Book 3)
by Japhet Lagat
- Price$0
- Rating3.2
- Reviews4
- Published2022-11
-
SOLAR PV POWER SYSTEMS FOR BEGINNERS: A Complete Step-by-Step Guide to Design & Install Your Own Solar PV System for Residential Spaces Energy Independence ... Automation Engineering Books Book 5)
by Japhet Lagat
- Price$0
- Rating3.3
- Reviews4
- Published2023-07
-
Electrical Designing and Drafting: Electrical | Designing | Drafting (Electrical & Electronic Automation Engineering Books Book 4)
by Japhet Lagat
- Price$0
- Rating3.4
- Reviews3
- Published2022-08
-
PLC PROGRAMMING: BASIC CONCEPTS OF LADDER LOGIC PROGRAMMING (Electrical & Electronic Automation Engineering Books Book 1)
by Japhet Lagat
- Price$0
- Rating3.0
- Reviews2
- Published2022-11
-
INDUSTRIAL AUTOMATION: A Hands On Beginner’s Guide to Building Your First Automated System with PLCs, HMIs, Actuators, and Robotics
by Japhet Lagat
- Price$9.99
- Reviews-
Main categories
FAQ
How many books does Japhet Lagat have on Amazon?
KDPTop tracks 10 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Japhet Lagat publish in?
Their books chart most often in Machinery, Electric Machinery & Motors, Electricity Principles.
How does Japhet Lagat price their books?
The median price is $11.97; half of the books cost $10.48–$19.46.
Has Japhet Lagat 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.