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Marriage (Parenting & Relationships, Books): Amazon KDP category data
Amazon Books Best Sellers data for Marriage (Parenting & Relationships, Books), updated Nov 3, 2026: median price $12.85, median 2,020 reviews, average rating 4.6 and a KDPTop opportunity score of 30/100 (highly competitive).
| Price range (middle 50%) | $9.95 – $16.52 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 92% of Books categories: the median best seller has 2,020 reviews, so new books need time to build up.
- Its median reviews are 35% of the parent category Parenting & Relationships (5,845), one of the easier corners under it.
Top 10 Marriage best sellers
-
The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert
- List rank#1
- Price$8.66
- Rating4.7
- Reviews15,699
-
Stand Firm and Act Like Men: Becoming the Man You Were Created to Be Instead of Who the World Says You Are
by Joby Martin
- List rank#2
- Price$19.17
- Rating4.9
- Reviews1,102
-
Hold Me Tight: Seven Conversations for a Lifetime of Love (The Dr. Sue Johnson Collection, 1)
- List rank#3
- Price$14.04
- Rating4.6
- Reviews6,448
-
The Meaning of Marriage: Facing the Complexities of Commitment with the Wisdom of God
- List rank#4
- Price$10.48
- Rating4.8
- Reviews9,363
-
Love & Respect: The Love She Most Desires; The Respect He Desperately Needs
- List rank#5
- Price$14.83
- Rating4.7
- Reviews11,685
-
Fight Right: How Successful Couples Turn Conflict Into Connection
by Julie Schwartz Gottman PhD
- List rank#6
- Price$14.95
- Rating4.7
- Reviews1,435
-
The Five Love Languages: The Secret to Love That Lasts: The Secret to Love that Lasts
by Gary Chapman
- List rank#7
- Price$12.16
- Rating4.8
- Reviews92,496
-
Eight Dates: Essential Conversations for a Lifetime of Love
by John Gottman Ph.D.
- List rank#8
- Price$18.56
- Rating4.7
- Reviews5,515
-
Overcoming Infidelity: 10 Conversations to Help You Heal the Hurt
by Carl Lentz
- List rank#9
- Price$17.69
- Rating4.3
- Reviews29
-
Just A Few Things I Love About You (Okay, A Lot)
by LARKINROAD
- List rank#10
- Price$17.99
- Rating4.6
- Reviews175
FAQ
Is Marriage a good niche for Amazon KDP?
Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 2,020 reviews and sells for $12.85.
How many reviews do you need to rank in Marriage?
The median best seller has 2,020 reviews, and 7% of them have fewer than 100.
What do Marriage best sellers cost?
The median price is $12.85; half of the best sellers are priced between $9.95 and $16.52.
Can new books break into Marriage?
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.