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Microbiology (Biology, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Microbiology (Biology, Kindle eBooks), updated Nov 2, 2026: median price $9.66, median 59 reviews, average rating 4.5 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $6.99 – $12.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 15% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 6% of the parent category Biology (928), one of the easier corners under it.
- 15% of its best sellers came out in the last 90 days, more than in 76% of Kindle eBooks categories: readers here keep buying new titles.
Top 10 Microbiology 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-
-
The Ghost Map: The Story of London's Most Terrifying Epidemic--and How It Changed Science, Cities, and the Modern World
- List rank#5
- Price$9.99
- Rating4.4
- Reviews2,583
-
Gut: The Inside Story of Our Body's Most Underrated Organ – A New York Times Bestselling Guide to Digestive Health, the Microbiome, and Mental Well-Being
by Giulia Enders
- List rank#6
- Price$12.99
- Rating4.6
- Reviews1,537
-
I Contain Multitudes: The Microbes Within Us and a Grander View of Life — A Popular Science Look at Microbes and Life
by Ed Yong
- List rank#7
- Price$15.99
- Rating4.6
- Reviews4,261
-
The Immune Mind: The Hidden Dialogue Between Your Brain and Immune System
by Monty Lyman
- List rank#8
- Price$3.99
- Rating4.6
- Reviews255
-
The Fever: How Malaria Has Ruled Humankind for 500,000 Years
by Sonia Shah
- List rank#9
- Price$2.99
- Rating4.4
- Reviews309
-
Scientific American May 2026
- List rank#10
- Price$6.99
- Rating4.0
- Reviews1
Same niche in Books: Microbiology
FAQ
Is Microbiology a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 59 reviews and sells for $9.66.
How many reviews do you need to rank in Microbiology?
The median best seller has 59 reviews, and 58% of them have fewer than 100.
What do Microbiology best sellers cost?
The median price is $9.66; half of the best sellers are priced between $6.99 and $12.99.
Can new books break into Microbiology?
15% 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.