KDP categories · Top KDP authors
Electric Machinery & Motors: Amazon KDP category data
Amazon Books Best Sellers data for Electric Machinery & Motors, updated Nov 3, 2026: median price $37.06, median 10 reviews, average rating 4.5 and a KDPTop opportunity score of 37/100 (highly competitive).
| Price range (middle 50%) | $21.89 – $58.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 27% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 5% of the parent category Electrical & Electronics (219), one of the easier corners under it.
- 27% of its best sellers came out in the last 90 days, more than in 95% of Books categories: readers here keep buying new titles.
- At $37.06 its median price beats 92% of Books categories, leaving more margin per copy.
Top 10 Electric Machinery & Motors best sellers
-
Practical Electronics for Inventors, Fourth Edition
by Paul Scherz
- List rank#1
- Price$33
- Rating4.7
- Reviews2,445
-
Ultimate Guide Wiring, Updated 10th Edition: Meets Current National Electrical Code Standards (Creative Homeowner) DIY Residential Electrical Installations and Repairs - Diagrams and Step-by-Step
by Editors of Creative Homeowner
- List rank#2
- Price$23.29
- Rating4.6
- Reviews520
-
Fault Finder's Bible: North American Electrical Edition
by Jordan Butler
- List rank#3
- Price$34
- Rating3.6
- Reviews22
-
Industrial Electrical Schematics for Beginners: Learn to Read Ladder Diagrams, Motor Control Circuits, Electrical Symbols, Wiring Diagrams, Control Panels, and Real Industrial Drawings with step-by...
- List rank#4
- Price$18.99
- Rating4.2
- Reviews28
-
Ugly's Electric Motors and Controls, 2020 Edition
by Charles R. Miller
- List rank#5
- Price$23.31
- Rating4.8
- Reviews899
-
Industrial Electricity and Motor Controls: A Field Manual — NEC-Based Wiring, Control Circuits, PLCs, VFDs, and Troubleshooting for Electricians and Maintenance Technicians
- List rank#6
- Price$42.08
- Rating4.4
- Reviews19
-
Delmar's Standard Textbook of Electricity (MindTap Course List)
by Stephen Herman
- List rank#7
- Price$112
- Rating4.6
- Reviews551
-
Industrial Motor Controls for Beginners: A Visual Guide to Reading Ladder Diagrams and Troubleshooting Starters, Relays, VFDs and PLC I/O, with NEMA & IEC Symbols and Hands-On 24 VDC Labs
by Dale R. Whitaker
- List rank#8
- Price$37.97
- Rating4.8
- Reviews23
-
Wizard: The Life and Times of Nikola Tesla: Biography of a Genius
by Marc Seifer
- List rank#9
- Price$12.77
- Rating4.4
- Reviews1,633
-
Mastering Industrial Electrical Schematics: A Complete Guide to Electrical Symbols, Wiring Diagrams, Ladder Diagrams, Motor Control Circuits, PLC Systems, and Industrial Automation
- List rank#10
- Price$36.99
- Rating4.8
- Reviews15
FAQ
Is Electric Machinery & Motors a good niche for Amazon KDP?
Its KDPTop opportunity score is 37/100, which makes it highly competitive. The median best seller has 10 reviews and sells for $37.06.
How many reviews do you need to rank in Electric Machinery & Motors?
The median best seller has 10 reviews, and 81% of them have fewer than 100.
What do Electric Machinery & Motors best sellers cost?
The median price is $37.06; half of the best sellers are priced between $21.89 and $58.99.
Can new books break into Electric Machinery & Motors?
27% of the current best sellers were released in the last 90 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.