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Dictionaries (Reference, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Dictionaries (Reference, Kindle eBooks), updated Nov 2, 2026: median price $5.99, median 32 reviews, average rating 4.6 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $3.49 – $9.02 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 7% of the parent category Reference (466), one of the easier corners under it.
- Prices spread wide: the middle half runs from $3.49 to $9.02, so budget editions and premium or boxed sets sell side by side.
Top 10 Dictionaries best sellers
-
Ultimate Bible Dictionary: A Quick and Concise Guide to the People, Places, Objects, and Events in the Bible (Ultimate Guide)
- List rank#1
- Price$7.76
- Rating4.6
- Reviews2,867
-
Once Upon a Word: A Word-Origin Dictionary for Kids—Building Vocabulary Through Etymology, Definitions & Stories
by Jess Zafarris
- List rank#2
- Price$2.99
- Rating4.7
- Reviews796
-
100 Words Every 4th Grader Should Know
by Editors of the American Heritage Dictionaries
- List rank#3
- Price$1.99
- Rating4.5
- Reviews107
-
Merriam-Webster's Elementary Dictionary, Kindle Edition
- List rank#4
- Price$9.95
- Rating4.8
- Reviews11,268
-
School Dictionary: Trusted support for learning (Collins School Dictionaries)
- List rank#5
- Price$6.99
- Rating4.6
- Reviews1,101
-
Merriam-Webster's Rhyming Dictionary, 2nd Edition, Kindle Edition
- List rank#6
- Price$5.99
- Rating4.6
- Reviews800
-
Easy Learning Spanish Idioms: Trusted support for learning (Collins Easy Learning)
by Collins
- List rank#7
- Price$3.99
- Rating4.4
- Reviews111
-
Easy Learning French Idioms: Trusted support for learning (Collins Easy Learning)
by HarperCollins
- List rank#8
- Price$3.99
- Rating4.7
- Reviews140
-
First 100 Words in Swahili: Swahili Language Learning for Kids, Bilingual Swahili Baby Book, Swahili First Dictionary, Swahili Flashcards (Learn Swahili)
- List rank#9
- Price$7.99
- Reviews-
-
Doctor Who: The Official Doctionary (Doctor Who Children's Collection)
by Doctor Who
- List rank#10
- Price$12.99
- Rating3.0
- Reviews2
Same niche in Books: Dictionaries
FAQ
Is Dictionaries a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 32 reviews and sells for $5.99.
How many reviews do you need to rank in Dictionaries?
The median best seller has 32 reviews, and 64% of them have fewer than 100.
What do Dictionaries best sellers cost?
The median price is $5.99; half of the best sellers are priced between $3.49 and $9.02.
Can new books break into Dictionaries?
6% 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.