KDP categories · Top KDP authors
Mariology (Catholicism, Books): Amazon KDP category data
Amazon Books Best Sellers data for Mariology (Catholicism, Books), updated Nov 2, 2026: median price $12.99, median 270 reviews, average rating 4.8 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $9.96 – $17.43 |
|---|---|
| Average rating | 4.8 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 17% of the parent category Catholicism (1,593), one of the easier corners under it.
Top 10 Mariology best sellers
-
NRSV Catholic Edition Gift Bible, Teal Leathersoft (Comfort Print, Holy Bible, Complete Catholic Bible, NRSV CE): Holy Bible
- List rank#1
- Price$21.99
- Rating4.8
- Reviews3,166
-
True Devotion to Mary: with Preparation for Total Consecration (Tan Classics)
by Louis de Montfort
- List rank#2
- Price$10.67
- Rating4.9
- Reviews1,672
-
NRSVCE, Illustrated Catholic Bible, Leathersoft, Black, Comfort Print: Holy Bible
- List rank#3
- Price$43.99
- Rating4.8
- Reviews1,410
-
The Secret Of The Rosary
by St. Louis De Monfort
- List rank#4
- Price$4.83
- Rating4.8
- Reviews2,478
-
The Holy Rosary Prayer Book: Mysteries, Scripture, Meditations, Promises, and Litanies — A Complete Catholic Companion to Praying the Rosary (Everyday Catholic Devotions)
by Ana Lucía Vargas
- List rank#5
- Price$9.99
- Rating5.0
- Reviews39
-
My Pocket Rosary Book
by J.M. Lelen
- List rank#6
- Price$2.50
- Rating4.8
- Reviews1,448
-
The Reed of God: A New Edition of a Spiritual Classic
by Caryll Houselander
- List rank#7
- Price$15.07
- Rating4.8
- Reviews1,011
-
Mary's Mantle Consecration: A Spiritual Retreat for Heaven's Help
by Christine Watkins
- List rank#8
- Price$10.15
- Rating4.9
- Reviews2,748
-
The Warning: Testimonies and Prophecies of the Illumination of Conscience
by Christine Watkins
- List rank#9
- Price$10.29
- Rating4.8
- Reviews6,837
-
Pray The Rosary: For Rosary Novenas, Family Rosary, Private Recitation, Five First Saturdays
by Patrick Peyton
- List rank#10
- Price$5.36
- Rating4.9
- Reviews4,252
Same niche in Kindle eBooks: Mariology
FAQ
Is Mariology a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 270 reviews and sells for $12.99.
How many reviews do you need to rank in Mariology?
The median best seller has 270 reviews, and 28% of them have fewer than 100.
What do Mariology best sellers cost?
The median price is $12.99; half of the best sellers are priced between $9.96 and $17.43.
Can new books break into Mariology?
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.