KDP categories · Top KDP authors
Research (Education, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Research (Education, Kindle eBooks), updated Nov 3, 2026: median price $9.99, median 36 reviews, average rating 4.5 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $15.29 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Prices spread wide: the middle half runs from $4.99 to $15.29, so budget editions and premium or boxed sets sell side by side.
Top 10 Research best sellers
-
Layered Learning: Master Any Subject Faster, Crush Every Exam, and Retain Information Forever
by James Hernandez
- List rank#1
- Price$2.99
- Rating4.7
- Reviews133
-
Grunt: The Curious Science of Humans at War
by Mary Roach
- List rank#2
- Price$11.99
- Rating4.4
- Reviews4,040
-
The Demon-Haunted World: Science as a Candle in the Dark
by Carl Sagan
- List rank#3
- Price$7.99
- Rating4.7
- Reviews7,825
-
Scientific American September 2026
- List rank#4
- Price$6.99
- Rating4.8
- Reviews13
-
Scientific American October 2026
- List rank#5
- Price$6.99
- Rating4.2
- Reviews7
-
Quantum Theory
by Max Planck
- List rank#6
- Price$0.99
- Rating4.5
- Reviews871
-
Scientific American June 2026
- List rank#7
- Price$6.99
- Rating4.4
- Reviews42
-
Scientific American November 2026
- List rank#8
- Price$6.99
- Reviews-
-
The Hot Zone: The Terrifying True Story of the Origins of the Ebola Virus
- List rank#9
- Price$10.99
- Rating4.6
- Reviews8,343
-
Science's Biggest Oops : 30 Scientific Fails, Blunders, and Bizarre Discoveries That Changed The World (The Oops Files)
by Ella Factfinder
- List rank#10
- Price$4.99
- Rating4.4
- Reviews261
FAQ
Is Research a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 36 reviews and sells for $9.99.
How many reviews do you need to rank in Research?
The median best seller has 36 reviews, and 68% of them have fewer than 100.
What do Research best sellers cost?
The median price is $9.99; half of the best sellers are priced between $4.99 and $15.29.
Can new books break into Research?
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.