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Biology (Biological Sciences, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Biology (Biological Sciences, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 928 reviews, average rating 4.5 and a KDPTop opportunity score of 17/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $13.74 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is higher than in 87% of Kindle eBooks categories: the median best seller has 928 reviews, so new books need time to build up.
- The same niche in Books scores 28, 11 points higher than here; worth checking both.
- Prices spread wide: the middle half runs from $3.99 to $13.74, so budget editions and premium or boxed sets sell side by side.
Top 10 Biology best sellers
-
Why We Die: The New Science of Aging and the Quest for Immortality
- List rank#1
- Price$2.99
- Rating4.4
- Reviews1,472
-
A New History of Life: The Radical New Discoveries about the Origins and Evolution of Life on Earth
by Peter Ward
- List rank#2
- Price$1.99
- Rating4.4
- Reviews349
-
The Song of the Cell: An Exploration of Medicine and the New Human
- List rank#3
- Price$2.99
- Rating4.7
- Reviews3,142
-
Stiff: The Curious Lives of Human Cadavers
by Mary Roach
- List rank#4
- Price$11.38
- Rating4.5
- Reviews9,287
-
Planet of the Ants: The Hidden Worlds and Extraordinary Lives of Earth's Tiny Conquerors
by Susanne Foitzik
- List rank#5
- Price$1.99
- Rating4.6
- Reviews343
-
Beyond Belief: Jaw-Dropping Breakthroughs That Will Shatter Your View of the Mind and Reality
- List rank#6
- Price$2.99
- Rating5.0
- Reviews16
-
Biological War: A Scenario
- List rank#7
- Price$6.99
- Rating4.6
- Reviews2,490
-
Grunt: The Curious Science of Humans at War
by Mary Roach
- List rank#8
- Price$11.99
- Rating4.4
- Reviews4,040
-
All That Remains: A Renowned Forensic Scientist on Death, Mortality, and Solving Crimes
by Sue Black DBE FRSE
- List rank#9
- Price$9.99
- Rating4.5
- Reviews5,376
-
Scientific American September 2026
- List rank#10
- Price$6.99
- Rating4.8
- Reviews13
Subcategories
Same niche in Books: Biology
FAQ
Is Biology a good niche for Amazon KDP?
Its KDPTop opportunity score is 17/100, which makes it highly competitive. The median best seller has 928 reviews and sells for $9.99.
How many reviews do you need to rank in Biology?
The median best seller has 928 reviews, and 19% of them have fewer than 100.
What do Biology best sellers cost?
The median price is $9.99; half of the best sellers are priced between $3.99 and $13.74.
Can new books break into Biology?
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.