KDP categories · Top KDP authors
Optics (Physics, Books): Amazon KDP category data
Amazon Books Best Sellers data for Optics (Physics, Books), updated Nov 3, 2026: median price $37.49, median 8 reviews, average rating 4.5 and a KDPTop opportunity score of 38/100 (highly competitive).
| Price range (middle 50%) | $18.89 – $83.40 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 11% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 0% of the parent category Physics (1,850), one of the easier corners under it.
- At $37.49 its median price beats 93% of Books categories, leaving more margin per copy.
- The same niche in Kindle eBooks scores 27, 11 points lower than here.
Top 10 Optics best sellers
-
Scientific American September 2026
- List rank#1
- Price$6.99
- Rating4.8
- Reviews13
-
Scientific American October 2026
- List rank#2
- Price$6.99
- Rating4.2
- Reviews7
-
Scientific American June 2026
- List rank#3
- Price$6.99
- Rating4.4
- Reviews42
-
QED: The Strange Theory of Light and Matter (Princeton Science Library)
- List rank#4
- Price$11.23
- Rating4.6
- Reviews1,104
-
Scientific American November 2026
- List rank#5
- Price$6.99
- Reviews-
-
The Universal One
by Walter Russell
- List rank#6
- Price$15.14
- Rating4.6
- Reviews812
-
Ways of Being
by James Bridle
- List rank#7
- Price$13.11
- Rating4.5
- Reviews390
-
The Bates Method for Better Eyesight Without Glasses
by William H. Bates
- List rank#8
- Price$9.95
- Rating4.2
- Reviews726
-
FASTER THAN LIGHT: HOW YOUR SHADOW CAN DO IT BUT YOU CAN'T
by Robert J. Nemiroff
- List rank#9
- Price$1.99
- Rating4.3
- Reviews383
-
What Is Color?: 50 Questions and Answers on the Science of Color
by Arielle Eckstut
- List rank#10
- Price$9.99
- Rating4.7
- Reviews158
Same niche in Kindle eBooks: Optics
FAQ
Is Optics a good niche for Amazon KDP?
Its KDPTop opportunity score is 38/100, which makes it highly competitive. The median best seller has 8 reviews and sells for $37.49.
How many reviews do you need to rank in Optics?
The median best seller has 8 reviews, and 75% of them have fewer than 100.
What do Optics best sellers cost?
The median price is $37.49; half of the best sellers are priced between $18.89 and $83.40.
Can new books break into Optics?
11% 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.