KDP categories · Top KDP authors
Reference (Music, Books): Amazon KDP category data
Amazon Books Best Sellers data for Reference (Music, Books), updated Nov 3, 2026: median price $17.99, median 362 reviews, average rating 4.6 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $12.99 – $29.97 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 7% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 19% of the parent category Music (1,912), one of the easier corners under it.
- Its review barrier is higher than in 72% of Books categories: the median best seller has 362 reviews, so new books need time to build up.
- Prices spread wide: the middle half runs from $12.99 to $29.97, so budget editions and premium or boxed sets sell side by side.
Top 10 Reference best sellers
-
Then Sings My Soul: 150 of the World's Greatest Hymn Stories
- List rank#1
- Price$12.53
- Rating4.8
- Reviews2,647
-
Alfred's Essentials of Music Theory, Complete (Lessons * Ear Training * Workbook)-------------- (CD's Not Included)
by Andrew Surmani
- List rank#2
- Price$16.19
- Rating4.7
- Reviews1,362
-
The Science of Music: A practical look at music theory
by Allen Van Wert
- List rank#3
- Price$23.99
- Rating4.5
- Reviews223
-
-
What a Fool Believes: A Memoir
by Michael McDonald
- List rank#5
- Price$15.20
- Rating4.6
- Reviews1,293
-
Writing Better Lyrics
by Pat Pattison
- List rank#6
- Price$12.29
- Rating4.6
- Reviews2,259
-
All The Songs: The Story Behind Every Beatles Release
by Jean-Michel Guesdon
- List rank#7
- Price$25.05
- Rating4.7
- Reviews1,437
-
Complete Guitar Wiring: Everything you need to understand, modify, and troubleshoot your guitar's wiring
by Gerry Hayes
- List rank#8
- Price$38.23
- Rating4.9
- Reviews681
-
Adorning the Dark: Thoughts on Community, Calling, and the Mystery of Making
- List rank#9
- Price$9.44
- Rating4.8
- Reviews1,348
-
Led Zeppelin All the Songs: The Story Behind Every Track
by Jean-Michel Guesdon
- List rank#10
- Price$39.12
- Rating4.8
- Reviews878
Same niche in Kindle eBooks: Reference
FAQ
Is Reference a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 362 reviews and sells for $17.99.
How many reviews do you need to rank in Reference?
The median best seller has 362 reviews, and 16% of them have fewer than 100.
What do Reference best sellers cost?
The median price is $17.99; half of the best sellers are priced between $12.99 and $29.97.
Can new books break into Reference?
7% 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.