KDP categories · Top KDP authors
Mechanics (Physics, Books): Amazon KDP category data
Amazon Books Best Sellers data for Mechanics (Physics, Books), updated Nov 2, 2026: median price $24.20, median 76 reviews, average rating 4.5 and a KDPTop opportunity score of 33/100 (highly competitive).
| Price range (middle 50%) | $16.80 – $47.25 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 4% of the parent category Physics (1,850), one of the easier corners under it.
- The same niche in Kindle eBooks scores 21, 11 points lower than here.
- At $24.20 its median price beats 83% of Books categories, leaving more margin per copy.
Top 10 Mechanics best sellers
-
Basic Machines and How They Work
by Naval Education
- List rank#1
- Price$0.99
- Rating4.5
- Reviews1,055
-
Scientific American September 2026
- List rank#2
- Price$6.99
- Rating4.8
- Reviews13
-
Thing Explainer: Complicated Stuff in Simple Words ― A Simple Illustrated Guide to How Things Work
- List rank#3
- Price$13.04
- Rating4.5
- Reviews4,928
-
Turning Pro: Tap Your Inner Power and Create Your Life's Work
by Steven Pressfield
- List rank#4
- Price$8.92
- Rating4.5
- Reviews6,702
-
Scientific American October 2026
- List rank#5
- Price$6.99
- Rating4.2
- Reviews7
-
Scientific American June 2026
- List rank#6
- Price$6.99
- Rating4.4
- Reviews42
-
The Cartoon Guide to Physics: A Funny Illustrated Guide Explaining Velocity, Magnetism, Circuits, and Relativity (Cartoon Guide Series, 5)
by Larry Gonick
- List rank#7
- Price$11.48
- Rating4.6
- Reviews806
-
Scientific American November 2026
- List rank#8
- Price$6.99
- Reviews-
-
507 Mechanical Movements
by Henry T. Brown
- List rank#9
- Price$0.99
- Rating4.5
- Reviews1,608
-
Zinn and the Art of Mountain Bike Maintenance, 7th Edition: The World's Best-Selling Guide to Mountain Bike Repair
by Lennard Zinn
- List rank#10
- Price$20.60
- Rating4.8
- Reviews44
Same niche in Kindle eBooks: Mechanics
FAQ
Is Mechanics a good niche for Amazon KDP?
Its KDPTop opportunity score is 33/100, which makes it highly competitive. The median best seller has 76 reviews and sells for $24.20.
How many reviews do you need to rank in Mechanics?
The median best seller has 76 reviews, and 57% of them have fewer than 100.
What do Mechanics best sellers cost?
The median price is $24.20; half of the best sellers are priced between $16.80 and $47.25.
Can new books break into Mechanics?
8% 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.