KDP categories · Top KDP authors
Reference (Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Kindle eBooks), updated Nov 3, 2026: median price $7.99, median 1,036 reviews, average rating 4.6 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $11.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 14% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is higher than in 88% of Kindle eBooks categories: the median best seller has 1,036 reviews, so new books need time to build up.
- Prices spread wide: the middle half runs from $2.99 to $11.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Reference best sellers
-
True Facts That Sound Like Bull$#*t: 500 Insane-But-True Facts That Will Shock and Impress Your Friends (Mind-Blowing True Facts)
by Shane Carley
- List rank#1
- Price$10.49
- Rating4.6
- Reviews9,854
-
A Brief History of Everyone Who Ever Lived: The Human Story Retold Through Our Genes
- List rank#2
- Price$19.99
- Rating4.4
- Reviews3,996
-
Maps, Annotated: The World's 300 Greatest Maps Explained
by DK
- List rank#3
- Price$2.99
- Rating4.3
- Reviews13
-
Fluent Forever (Revised Edition): How to Learn Any Language Fast and Never Forget It
- List rank#4
- Price$1.99
- Rating4.5
- Reviews3,548
-
What the Dog Saw: And Other Adventures
- List rank#5
- Price$1.99
- Rating4.4
- Reviews3,871
-
Why We Talk Funny: The Real Story Behind Our Accents
by Valerie Fridland
- List rank#6
- Price$2.99
- Rating4.2
- Reviews34
-
Spanish Short Stories for Beginners (A1): 10 Easy Stories in Mexican Spanish with English Translations, Vocabulary and Questions for Adult Learners (Mesa Larga Spanish Readers)
by Mesa Larga
- List rank#7
- Price$2.99
- Reviews-
-
Consumer Reports | November/December 2026
- List rank#8
- Price$6.39
- Rating4.0
- Reviews12
-
Crime and Punishment: The Original Unabridged And Complete Edition (A Fyodor Dostoevsky Classics)
- List rank#9
- Price$0.99
- Rating4.5
- Reviews1,820
-
The Ultimate Survival Medicine Guide: Emergency Preparedness for ANY Disaster
by Joseph Alton M.D.
- List rank#10
- Price$14.99
- Rating4.7
- Reviews3,393
Subcategories
- Consumer Guides33
- Encyclopedias30
- Reference30
- Writing, Research & Publishing Guides30
- Atlases & Maps29
- Words, Language & Grammar29
- Genealogy28
- Dictionaries & Thesauruses27
- Language Study & Reference26
- Trivia & Fun Facts25
- Quotations24
- Personal & Private Investigations23
- Signs & Symbols21
- Catalogs & Directories21
- Almanacs & Yearbooks20
- Etiquette20
Same niche in Books: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 1,036 reviews and sells for $7.99.
How many reviews do you need to rank in Reference?
The median best seller has 1,036 reviews, and 26% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $7.99; half of the best sellers are priced between $2.99 and $11.99.
Can new books break into Reference?
14% 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.