KDP categories · Top KDP authors
Protestantism (Christianity, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Protestantism (Christianity, Kindle eBooks), updated Nov 2, 2026: median price $7.99, median 72 reviews, average rating 4.6 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $1.99 – $11.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 9% of the parent category Christianity (780), one of the easier corners under it.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Kindle eBooks categories: established titles hold the list.
- Prices spread wide: the middle half runs from $1.99 to $11.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Protestantism best sellers
-
Church History in Plain Language, Fifth Edition: The Story of the Church for Today's Readers
by Bruce L. Shelley
- List rank#1
- Price$4.99
- Rating4.8
- Reviews677
-
The Reformation
by Diarmaid MacCulloch
- List rank#2
- Price$9.99
- Rating4.4
- Reviews540
-
Surprised by Joy: The Shape of My Early Life
by C. S. Lewis
- List rank#3
- Price$12.99
- Rating4.5
- Reviews3,067
-
The Color of Compromise: The Truth about the American Church’s Complicity in Racism
by Jemar Tisby
- List rank#4
- Price$1.99
- Rating4.7
- Reviews4,055
-
The Institutes of the Christian Religion (Grapevine Press)
by John Calvin
- List rank#5
- Price$0.99
- Rating4.8
- Reviews1,193
-
Martin Luther's Ninety-Five Theses (Grapevine Press)
- List rank#6
- Price$0.99
- Rating4.8
- Reviews106
-
The Bible Tells Me So: Why Defending Scripture Has Made Us Unable to Read It
by Peter Enns
- List rank#7
- Price$7.99
- Rating4.5
- Reviews1,827
-
Make Yourselves Gods: Mormons and the Unfinished Business of American Secularism (Class 200: New Studies in Religion)
by Peter Coviello
- List rank#8
- Price$3.99
- Rating4.4
- Reviews13
-
Dynamics of Faith (Perennial Classics)
by Paul Tillich
- List rank#9
- Price$10.54
- Rating4.5
- Reviews298
-
The Reformation as Renewal: Retrieving the One, Holy, Catholic, and Apostolic Church
by Matthew Barrett
- List rank#10
- Price$35.99
- Rating4.6
- Reviews89
FAQ
Is Protestantism a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 72 reviews and sells for $7.99.
How many reviews do you need to rank in Protestantism?
The median best seller has 72 reviews, and 57% of them have fewer than 100.
What do Protestantism best sellers cost?
The median price is $7.99; half of the best sellers are priced between $1.99 and $11.99.
Can new books break into Protestantism?
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.