KDP categories · Top KDP authors
Cosmology (Physics, Books): Amazon KDP category data
Amazon Books Best Sellers data for Cosmology (Physics, Books), updated Nov 2, 2026: median price $13.20, median 1,294 reviews, average rating 4.6 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $11.21 – $17.30 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 88% of Books categories: the median best seller has 1,294 reviews, so new books need time to build up.
Top 10 Cosmology best sellers
-
The Order of Time
- List rank#1
- Price$8.11
- Rating4.4
- Reviews5,998
-
On the Equality of All Things: Lessons on Physics and Philosophy
- List rank#2
- Price$27
- Rating4.3
- Reviews75
-
Cosmos: A Personal Voyage
by Carl Sagan
- List rank#3
- Price$21.66
- Rating4.7
- Reviews8,789
-
God, the Science, the Evidence
by Michel-Yves Bollore
- List rank#4
- Price$9.78
- Rating4.6
- Reviews588
-
Pale Blue Dot: A Vision of the Human Future in Space
by Carl Sagan
- List rank#5
- Price$12.09
- Rating4.7
- Reviews2,846
-
-
A Brief History of Time
by Stephen Hawking
- List rank#7
- Price$8.99
- Rating4.6
- Reviews11,625
-
Return of the God Hypothesis: Three Scientific Discoveries That Reveal the Mind Behind the Universe ― As Featured in the Film, The Story of Everything
- List rank#8
- Price$16.60
- Rating4.8
- Reviews2,526
-
The Beginning of Infinity: Explanations That Transform the World
by David Deutsch
- List rank#9
- Price$26.95
- Rating4.5
- Reviews2,413
-
Seven Brief Lessons on Physics
- List rank#10
- Price$10.90
- Rating4.3
- Reviews14,393
Same niche in Kindle eBooks: Cosmology
FAQ
Is Cosmology a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 1,294 reviews and sells for $13.20.
How many reviews do you need to rank in Cosmology?
The median best seller has 1,294 reviews, and 8% of them have fewer than 100.
What do Cosmology best sellers cost?
The median price is $13.20; half of the best sellers are priced between $11.21 and $17.30.
Can new books break into Cosmology?
7% 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.