KDP categories · Top KDP authors

Systematic (Theology, Books): Amazon KDP category data

Amazon Books Best Sellers data for Systematic (Theology, Books), updated Nov 2, 2026: median price $16.96, median 446 reviews, average rating 4.7 and a KDPTop opportunity score of 29/100 (highly competitive).

29Opportunity / 100
$16.96Median price
446Median reviews
Price range (middle 50%)$11.91 – $27.93
Average rating4.7
New releases (90 days)6%
Books on the list100
StoreBooks

What stands out

  • Its median reviews are 18% of the parent category Theology (2,505), one of the easier corners under it.
  • Its review barrier is higher than in 75% of Books categories: the median best seller has 446 reviews, so new books need time to build up.
  • Prices spread wide: the middle half runs from $11.91 to $27.93, so budget editions and premium or boxed sets sell side by side.

Top 10 Systematic best sellers

  1. Systematic Theology, Second Edition: An Introduction to Biblical Doctrine book cover by Wayne A. Grudem

    Systematic Theology, Second Edition: An Introduction to Biblical Doctrine

    by Wayne A. Grudem

    • List rank#1
    • Price$27.25
    • Rating4.8
    • Reviews2,602

    View on Amazon · Full data on KDPTop

  2. KJV Holy Bible: Giant Print with 53,000 Cross References, Deluxe Black Leathersoft, Red Le book cover by Thomas Nelson

    KJV Holy Bible: Giant Print with 53,000 Cross References, Deluxe Black Leathersoft, Red Letter, Comfort Print: King James Version

    by Thomas Nelson

    • List rank#2
    • Price$28
    • Rating4.8
    • Reviews3,619

    View on Amazon · Full data on KDPTop

  3. The Reason for Jesus: Why Did God the Father Ransom You? book cover by Charles Martin

    The Reason for Jesus: Why Did God the Father Ransom You?

    by Charles Martin

    • List rank#3
    • Price$23.96
    • Rating5.0
    • Reviews11

    View on Amazon · Full data on KDPTop

  4. The Four Loves book cover by C. S. Lewis

    The Four Loves

    by C. S. Lewis

    • List rank#4
    • Price$9.76
    • Rating4.7
    • Reviews2,063

    View on Amazon · Full data on KDPTop

  5. The Abolition of Man book cover by C. S. Lewis

    The Abolition of Man

    by C. S. Lewis

    • List rank#5
    • Price$1.99
    • Rating4.5
    • Reviews3,193

    View on Amazon · Full data on KDPTop

  6. Theology for the Rest of Us: A User-Friendly Guide to Super Cool, Really Transformational  book cover by Lisa Harper

    Theology for the Rest of Us: A User-Friendly Guide to Super Cool, Really Transformational Stuff About God and Why It Matters

    by Lisa Harper

    • List rank#6
    • Price$19.98
    • Rating4.6
    • Reviews11

    View on Amazon · Full data on KDPTop

  7. Bonhoeffer: Pastor, Martyr, Prophet, Spy book cover by Eric Metaxas

    Bonhoeffer: Pastor, Martyr, Prophet, Spy

    by Eric Metaxas

    • List rank#7
    • Price$14.47
    • Rating4.8
    • Reviews8,183

    View on Amazon · Full data on KDPTop

  8. NIV Study Bible, Fully Revised Edition book cover by Zondervan

    NIV Study Bible, Fully Revised Edition

    by Zondervan

    • List rank#8
    • Price$14.99
    • Rating4.7
    • Reviews1,977

    View on Amazon · Full data on KDPTop

  9. Mere Christianity book cover by C. S. Lewis

    Mere Christianity

    by C. S. Lewis

    • List rank#9
    • Price$10.48
    • Rating4.7
    • Reviews10,958

    View on Amazon · Full data on KDPTop

  10. Romans: Grace, Truth, and Redemption (MacArthur Bible Studies) book cover by John F. MacArthur

    Romans: Grace, Truth, and Redemption (MacArthur Bible Studies)

    by John F. MacArthur

    • List rank#10
    • Price$8.21
    • Rating4.7
    • Reviews1,445

    View on Amazon · Full data on KDPTop

Same niche in Kindle eBooks: Systematic

FAQ

Is Systematic a good niche for Amazon KDP?

Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 446 reviews and sells for $16.96.

How many reviews do you need to rank in Systematic?

The median best seller has 446 reviews, and 14% of them have fewer than 100.

What do Systematic best sellers cost?

The median price is $16.96; half of the best sellers are priced between $11.91 and $27.93.

Can new books break into Systematic?

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.