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Reference (Historical Study & Educational Resources, Books): Amazon KDP category data
Amazon Books Best Sellers data for Reference (Historical Study & Educational Resources, Books), updated Nov 2, 2026: median price $14.99, median 670 reviews, average rating 4.5 and a KDPTop opportunity score of 26/100 (highly competitive).
| Price range (middle 50%) | $11.48 – $21.40 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 2% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Only 2% of its best sellers are under 90 days old, fewer than in 93% of Books categories: established titles hold the list.
- Its median reviews are 41% of the parent category Historical Study & Educational Resources (1,639), one of the easier corners under it.
- Its review barrier is higher than in 80% of Books categories: the median best seller has 670 reviews, so new books need time to build up.
Top 10 Reference best sellers
-
History of the World Map by Map (DK History Map by Map)
by DK
- List rank#1
- Price$2.99
- Rating4.8
- Reviews8,663
-
-
The Guns of August
by Barbara W. Tuchman
- List rank#3
- Price$23.83
- Rating4.5
- Reviews8,645
-
The Book of Extraordinary Facts: Big Book of Pop Culture, History, Crime & Weird Trivia | Hardcover Gift for Trivia Buffs, Curious Minds, Adults, Dad & Knowledge Seekers
by Publications International Ltd.
- List rank#4
- Price$10.31
- Rating4.7
- Reviews3,280
-
Medium Raw: A Bloody Valentine to the World of Food and the People Who Cook
- List rank#5
- Price$22.79
- Rating4.4
- Reviews5,118
-
True Facts That Sound Like Bull$#*t: World History: 500 Preposterous Facts They Definitely Didn’t Teach You in School (Mind-Blowing True Facts)
by Shane Carley
- List rank#6
- Price$6.45
- Rating4.4
- Reviews670
-
Classical Mythology A to Z: An Encyclopedia of Gods & Goddesses, Heroes & Heroines, Nymphs, Spirits, Monsters, and Places
- List rank#7
- Price$14.99
- Rating4.8
- Reviews1,576
-
Knowledge Encyclopedia - World History (Knowledge Encyclopedia For Children)
- List rank#8
- Price$19.99
- Rating4.7
- Reviews906
-
Napoleon's Hemorrhoids: And Other Small Events that Changed History
by Phil Mason
- List rank#9
- Price$11.90
- Rating4.0
- Reviews1,276
-
Ancient Egypt: The Definitive Visual History (DK Classic History)
by DK
- List rank#10
- Price$22.83
- Rating4.8
- Reviews1,155
Same niche in Kindle eBooks: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 670 reviews and sells for $14.99.
How many reviews do you need to rank in Reference?
The median best seller has 670 reviews, and 20% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $14.99; half of the best sellers are priced between $11.48 and $21.40.
Can new books break into Reference?
2% 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.