KDP categories · Top KDP authors
Biology (Biological Sciences, Books): Amazon KDP category data
Amazon Books Best Sellers data for Biology (Biological Sciences, Books), updated Nov 3, 2026: median price $12.31, median 2,172 reviews, average rating 4.6 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $10.37 – $17.06 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 93% of Books categories: the median best seller has 2,172 reviews, so new books need time to build up.
- The same niche in Kindle eBooks scores 17, 11 points lower than here.
Top 10 Biology best sellers
-
Protocols: An Operating Manual for the Human Body
- List rank#1
- Price$28.23
- Rating4.6
- Reviews593
-
Dopamine Nation: Finding Balance in the Age of Indulgence
- List rank#2
- Price$13.69
- Rating4.5
- Reviews14,015
-
Biological War: A Scenario
- List rank#3
- Price$18.89
- Rating4.6
- Reviews2,491
-
Why We Die: The New Science of Aging and the Quest for Immortality
- List rank#4
- Price$2.99
- Rating4.4
- Reviews1,472
-
Mind Magic: The Neuroscience of Manifestation and How It Changes Everything
by James R. Doty MD
- List rank#5
- Price$17.69
- Rating4.6
- Reviews1,448
-
The Art of Thinking Clearly: The International Bestseller That Improves Decision Making and Counters Faulty Reasoning with Research-Backed Good Sense
by Rolf Dobelli
- List rank#6
- Price$11.99
- Rating4.5
- Reviews8,318
-
A New History of Life: The Radical New Discoveries about the Origins and Evolution of Life on Earth
by Peter Ward
- List rank#7
- Price$1.99
- Rating4.4
- Reviews349
-
The Immortal Life of Henrietta Lacks
- List rank#8
- Price$9.92
- Rating4.6
- Reviews31,544
-
Natural Intelligence & the Logic of Consciousness
- List rank#9
- Price$28.59
- Rating4.2
- Reviews33
-
The Grieving Brain: The Surprising Science of How We Learn from Love and Loss (The Grieving Brain Series)
- List rank#10
- Price$9.29
- Rating4.6
- Reviews1,766
Subcategories
Same niche in Kindle eBooks: Biology
FAQ
Is Biology a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 2,172 reviews and sells for $12.31.
How many reviews do you need to rank in Biology?
The median best seller has 2,172 reviews, and 5% of them have fewer than 100.
What do Biology best sellers cost?
The median price is $12.31; half of the best sellers are priced between $10.37 and $17.06.
Can new books break into Biology?
9% 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.