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Dictionaries (Dictionaries & Thesauruses, Books): Amazon KDP category data
Amazon Books Best Sellers data for Dictionaries (Dictionaries & Thesauruses, Books), updated Nov 3, 2026: median price $12.98, median 866 reviews, average rating 4.6 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $8.08 – $18.15 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 83% of Books categories: the median best seller has 866 reviews, so new books need time to build up.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
- Prices spread wide: the middle half runs from $8.08 to $18.15, so budget editions and premium or boxed sets sell side by side.
Top 10 Dictionaries best sellers
-
The Merriam-Webster Dictionary - America's Best-Selling Dictionary - Mass Market Paperback
- List rank#1
- Price$8.38
- Rating4.6
- Reviews14,559
-
Merriam-Webster’s Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder
- List rank#2
- Price$18.93
- Rating4.7
- Reviews10,434
-
Merriam-Webster's Word-for-Word Spanish-English Dictionary
- List rank#3
- Price$5.59
- Rating4.7
- Reviews2,907
-
The Official SCRABBLE Players Dictionary, 8th Ed. - Newest Edition, Mass Market Paperback
- List rank#4
- Price$9.50
- Rating4.3
- Reviews46
-
Merriam-Webster's Pocket Dictionary
- List rank#5
- Price$5.53
- Rating4.6
- Reviews9,345
-
Robert's Rules of Order Newly Revised, 12th edition
- List rank#6
- Price$12.50
- Rating4.8
- Reviews6,311
-
Merriam-Webster's Collegiate Dictionary, 12th Edition
- List rank#7
- Price$20.58
- Rating4.7
- Reviews397
-
Merriam-Webster's Dictionary and Thesaurus, Newest Edition, Trade Paperback
- List rank#8
- Price$10.07
- Rating4.6
- Reviews5,347
-
Merriam-Webster’s Vocabulary Builder - Perfect for prepping for SAT, ACT, TOEFL, & TOEIC
- List rank#9
- Price$6.50
- Rating4.7
- Reviews3,375
-
Webster's Dictionary for Students, Sixth Edition - Newest Edition
by Editors of Merriam-Webster
- List rank#10
- Price$5.58
- Rating4.7
- Reviews3,154
FAQ
Is Dictionaries a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 866 reviews and sells for $12.98.
How many reviews do you need to rank in Dictionaries?
The median best seller has 866 reviews, and 16% of them have fewer than 100.
What do Dictionaries best sellers cost?
The median price is $12.98; half of the best sellers are priced between $8.08 and $18.15.
Can new books break into Dictionaries?
4% 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.