KDP categories · Top KDP authors
Marriage (Family & Health Law, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Marriage (Family & Health Law, Kindle eBooks), updated Nov 2, 2026: median price $7.99, median 14 reviews, average rating 4.6 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $12.45 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 2% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 21% of the parent category Family & Health Law (65), one of the easier corners under it.
- Only 2% of its best sellers are under 90 days old, fewer than in 93% of Kindle eBooks categories: established titles hold the list.
- Its review barrier is lower than in 78% of Kindle eBooks categories: the median best seller has only 14 reviews, so new books can chart with few.
Top 10 Marriage best sellers
-
8-Week Couples Relationship Therapy Workbook: Achieve Lasting Relationship Health, Unlock Deeper Emotional Connections, and Foster Secure Attachment through EFT (Emotionally Focused Therapy)
by Taylor Blake
- List rank#1
- Price$9.99
- Rating4.4
- Reviews307
-
My Heart is Broken: Your Next Steps for When Your Spouse is Unfaithful
by Jill Savage
- List rank#2
- Price$4.99
- Rating4.6
- Reviews65
-
Divorcing Your Narcissist: You Can't Make This Shit Up!
by Tracy A Malone
- List rank#3
- Price$9.99
- Rating4.7
- Reviews154
-
Informed Divorce: Facing the Future with a Plan
by John P. Cannon
- List rank#4
- Price$0.99
- Rating4.6
- Reviews46
-
Intimate Lies and the Law
by Jill Elaine Hasday
- List rank#5
- Price$14.39
- Rating5.0
- Reviews7
-
Courting: An Intimate History of Love and the Law
by Alecia Simmonds
- List rank#6
- Price$10.99
- Rating4.7
- Reviews10
-
I Just Want This Done: How Smart, Successful People Get Divorced Without Losing Their Kids, Money, and Minds
by Raiford Dalton Palmer
- List rank#7
- Price$9.99
- Rating4.6
- Reviews135
-
101 Questions to Ask Before You Get Engaged: Before You Say 'I Do': Your Guide to Expert Insight, Attachment Styles, Long-term Relationships, and Practical Guidance. (The 101 Series)
- List rank#8
- Price$0.99
- Rating4.5
- Reviews65
-
Stuff Happens: H.O.P.E. Anyway
by Gloria Brintnall
- List rank#9
- Price$4.99
- Rating4.9
- Reviews60
-
5 Keys to Building Lifelong Healthy Relationships: Overcoming Trust Concerns, Setting Boundaries, Handling Conflict Positively for a Strong, Committed Partnership in Happiness and Love
by Ariane Turpin
- List rank#10
- Price$9.99
- Rating4.7
- Reviews164
Same niche in Books: Marriage
FAQ
Is Marriage a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 14 reviews and sells for $7.99.
How many reviews do you need to rank in Marriage?
The median best seller has 14 reviews, and 89% of them have fewer than 100.
What do Marriage best sellers cost?
The median price is $7.99; half of the best sellers are priced between $3.99 and $12.45.
Can new books break into Marriage?
2% 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.