KDP categories · Top KDP authors
Research (Experiments, Instruments & Measurement, Books): Amazon KDP category data
Amazon Books Best Sellers data for Research (Experiments, Instruments & Measurement, Books), updated Nov 3, 2026: median price $15.50, median 208 reviews, average rating 4.5 and a KDPTop opportunity score of 30/100 (highly competitive).
| Price range (middle 50%) | $12.11 – $27.10 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 11% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 28% of the parent category Experiments, Instruments & Measurement (734), one of the easier corners under it.
- Prices spread wide: the middle half runs from $12.11 to $27.10, so budget editions and premium or boxed sets sell side by side.
Top 10 Research best sellers
-
The Demon-Haunted World: Science as a Candle in the Dark
by Carl Sagan
- List rank#1
- Price$9.99
- Rating4.7
- Reviews7,825
-
The Body Electric: Electromagnetism And The Foundation Of Life
- List rank#2
- Price$12.98
- Rating4.6
- Reviews1,571
-
Grunt: The Curious Science of Humans at War
by Mary Roach
- List rank#3
- Price$11.99
- Rating4.4
- Reviews4,040
-
The Hot Zone: The Terrifying True Story of the Origins of the Ebola Virus
- List rank#4
- Price$11.48
- Rating4.6
- Reviews8,343
-
Quantum Theory
by Max Planck
- List rank#5
- Price$0.99
- Rating4.5
- Reviews871
-
Scientific American September 2026
- List rank#6
- Price$6.99
- Rating4.8
- Reviews13
-
The Craft of Research, Fifth Edition (Chicago Guides to Writing, Editing, and Publishing)
by Wayne C. Booth
- List rank#7
- Price$12
- Rating4.7
- Reviews278
-
Scientific American October 2026
- List rank#8
- Price$6.99
- Rating4.2
- Reviews7
-
Sickening: How Big Pharma Broke American Health Care and How We Can Repair It
by John Abramson
- List rank#9
- Price$12.54
- Rating4.6
- Reviews328
-
The Art of Doing Science and Engineering: Learning to Learn
by Richard Hamming
- List rank#10
- Price$31.81
- Rating4.6
- Reviews1,322
FAQ
Is Research a good niche for Amazon KDP?
Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 208 reviews and sells for $15.50.
How many reviews do you need to rank in Research?
The median best seller has 208 reviews, and 38% of them have fewer than 100.
What do Research best sellers cost?
The median price is $15.50; half of the best sellers are priced between $12.11 and $27.10.
Can new books break into Research?
11% 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.