KDP categories · Top KDP authors
Light (Physics, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Light (Physics, Kindle eBooks), updated Nov 3, 2026: median price $7, median 8 reviews, average rating 4.4 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $5.00 – $12.49 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 19% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 1% of the parent category Physics (682), one of the easier corners under it.
- 19% of its best sellers came out in the last 90 days, more than in 85% of Kindle eBooks categories: readers here keep buying new titles.
- Its review barrier is lower than in 84% of Kindle eBooks categories: the median best seller has only 8 reviews, so new books can chart with few.
Top 10 Light 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
-
Scientific American November 2026
- List rank#4
- Price$6.99
- Reviews-
-
FASTER THAN LIGHT: HOW YOUR SHADOW CAN DO IT BUT YOU CAN'T
by Robert J. Nemiroff
- List rank#5
- Price$1.99
- Rating4.3
- Reviews383
-
QED: The Strange Theory of Light and Matter (Princeton Science Library Book 33)
- List rank#6
- Price$9.99
- Rating4.6
- Reviews1,104
-
The Universal One
by Walter Russell
- List rank#7
- Price$9.99
- Rating4.6
- Reviews812
-
Quantum Physics for Beginners: Quantum Mechanics Made Simple: Wave-Particle Duality, Superposition, Entanglement, Schrödinger's Cat, Tech Shaping Our World and the Myths Everyone Gets Wrong.
by Alex Hale
- List rank#8
- Price$2.99
- Rating5.0
- Reviews1
-
Scientific American July/August 2026
- List rank#9
- Price$6.99
- Rating4.7
- Reviews8
-
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 Books: Light
FAQ
Is Light a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 8 reviews and sells for $7.
How many reviews do you need to rank in Light?
The median best seller has 8 reviews, and 78% of them have fewer than 100.
What do Light best sellers cost?
The median price is $7; half of the best sellers are priced between $5.00 and $12.49.
Can new books break into Light?
19% 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.