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Reference (Teacher Resources, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Reference (Teacher Resources, Kindle eBooks), updated Nov 3, 2026: median price $8.51, median 42 reviews, average rating 4.4 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $9.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 5% of the parent category Teacher Resources (908), one of the easier corners under it.
- Only 5% of its best sellers are under 90 days old, fewer than in 76% of Kindle eBooks categories: established titles hold the list.
Top 10 Reference best sellers
-
Being Logical: A Guide to Good Thinking
by Dennis Q. McInerny
- List rank#1
- Price$8.99
- Rating4.4
- Reviews792
-
Overcoming Dyslexia (2020 Edition): Second Edition, Completely Revised and Updated
by Sally E. Shaywitz
- List rank#2
- Price$10.99
- Rating4.8
- Reviews2,362
-
made in america: An Informal History of the English Language in the United States
by Bill Bryson
- List rank#3
- Price$7.99
- Rating4.4
- Reviews2,419
-
Self-Editing for Fiction Writers, Second Edition: How to Edit Yourself Into Print — A Guide to Polishing Your Fiction
by Renni Browne
- List rank#4
- Price$10.99
- Rating4.6
- Reviews1,818
-
The Vocabulary Builder Workbook: Simple Lessons and Activities to Teach Yourself Over 1,400 Must-Know Words
by Chris Lele
- List rank#5
- Price$9.99
- Rating4.6
- Reviews6,926
-
Animal, Vegetable, Miracle - 10th anniversary edition: A Year of Food Life
- List rank#6
- Price$9.49
- Rating4.5
- Reviews2,552
-
Calculus Made Easy
by Silvanus P. Thompson
- List rank#7
- Price$0.49
- Rating3.7
- Reviews193
-
English-Thai Dictionary With Pronunciation and Intelligent Indexing
by rutapon parmathphol
- List rank#8
- Price$3.99
- Rating4.8
- Reviews19
-
Complete English Grammar Rules: Examples, Exceptions, Exercises, and Everything You Need to Master Proper Grammar (The Farlex Grammar Book 1)
by Farlex International
- List rank#9
- Price$9.99
- Rating4.6
- Reviews1,366
-
101 Best Kindle Fire Tips & Tricks
by Stefan Wolf
- List rank#10
- Price$0.99
- Rating4.0
- Reviews269
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 42 reviews and sells for $8.51.
How many reviews do you need to rank in Reference?
The median best seller has 42 reviews, and 60% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $8.51; half of the best sellers are priced between $4.99 and $9.99.
Can new books break into Reference?
5% 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.