KDP categories · Top KDP authors
Controversial Knowledge: Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Controversial Knowledge, updated Nov 2, 2026: median price $4.50, median 10 reviews, average rating 4.6 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $2.99 – $7.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 16% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 1% of the parent category Religious Studies & Reference (1,436), one of the easier corners under it.
- At $4.50 its median price is below 92% of Kindle eBooks categories, so it is a volume game.
- Its review barrier is lower than in 82% of Kindle eBooks categories: the median best seller has only 10 reviews, so new books can chart with few.
Top 10 Controversial Knowledge best sellers
-
True Stories of Near-Death Experiences: Heaven is our Real Home
by Rachel J. Hopkins
- List rank#1
- Price$2.99
- Rating4.2
- Reviews296
-
The Very First Bible
by of Sinope Marcion
- List rank#2
- Price$0.99
- Rating4.4
- Reviews1,982
-
THE DRAGONS OF EDEN : Do mysterious texts in Bible carry our ancestors’ theology or a memory of ET contact in the deep past?
by Paul Wallis
- List rank#3
- Price$7.99
- Rating4.8
- Reviews159
-
The Nephilim Looked Like Clowns: Volume I: The History
by Paul Stobbs
- List rank#4
- Price$9.99
- Rating4.7
- Reviews270
-
The Strong Delusion: Unveiling Truth in the Season of Deception
by Rachel Baldwin
- List rank#5
- Price$7.99
- Rating4.9
- Reviews16
-
The Gospel of Mary Magdalene: A Guide to Divine Wisdom and Spiritual Healing
by The Way Forward
- List rank#6
- Price$2.99
- Rating4.7
- Reviews41
-
Gnostic Gospels Complete Collection: Including Thomas, Philip, Mary, Judas, Truth, Infancy Gospels, Apocalypses, and Early Christian Apocrypha
- List rank#7
- Price$2.99
- Rating4.3
- Reviews44
-
Are We Living In Satan's Little Season?: Exposing His Cunning Strategies to Deceive the Nations - An Exploration of History, Eschatology, Christ's Millennial Kingdom and the Biblical Timeline
by Theo Rhising
- List rank#8
- Price$4.99
- Rating4.7
- Reviews118
-
The Lost Books of the Bible: The Complete Guide with Summaries: Everything You Want to Know About Forbidden Christian Texts in Plain English
- List rank#9
- Price$4.55
- Rating4.4
- Reviews68
-
The Ethiopian Bible Explained for Beginners: A Clear Introduction to the Ethiopian Orthodox Canon, Enoch, Jubilees, Meqabyan, and the Books Missing from Western Bibles
by Matthew R. Caldwell
- List rank#10
- Price$9.99
- Rating4.4
- Reviews98
FAQ
Is Controversial Knowledge a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 10 reviews and sells for $4.50.
How many reviews do you need to rank in Controversial Knowledge?
The median best seller has 10 reviews, and 83% of them have fewer than 100.
What do Controversial Knowledge best sellers cost?
The median price is $4.50; half of the best sellers are priced between $2.99 and $7.99.
Can new books break into Controversial Knowledge?
16% 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.