KDP categories · Top KDP authors
Marriage (Family Law, Books): Amazon KDP category data
Amazon Books Best Sellers data for Marriage (Family Law, Books), updated Nov 3, 2026: median price $19.10, median 9 reviews, average rating 4.6 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $10.99 – $29.50 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 8% |
| Books on the list | 50 |
| Store | Books |
What stands out
- Its median reviews are 23% of the parent category Family Law (38), one of the easier corners under it.
- Its review barrier is lower than in 84% of Books categories: the median best seller has only 9 reviews, so new books can chart with few.
- Prices spread wide: the middle half runs from $10.99 to $29.50, so budget editions and premium or boxed sets sell side by side.
Top 10 Marriage best sellers
-
Healthy Communication With Your Partner: Discover the Benefits of Communicating with Emotional Intelligence, Empathy & Effective Listening Skills to Turn Conflict into Connection
by Amanda Thomas
- List rank#1
- Price$15.99
- Rating4.5
- Reviews242
-
I Just Want This Done: How Smart, Successful People Get Divorced Without Losing Their Kids, Money, and Minds
by Raiford Palmer
- List rank#2
- Price$17.29
- Rating4.6
- Reviews135
-
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#3
- Price$9.99
- Rating4.4
- Reviews307
-
William Blackstone's Commentaries on the Laws of England: Modernized and Condensed: Book I, II, III, and IV
by William Blackstone
- List rank#4
- Price$16.95
- Rating4.6
- Reviews3
-
My Heart is Broken: Your Next Steps for When Your Spouse is Unfaithful
by Jill Savage
- List rank#5
- Price$4.99
- Rating4.6
- Reviews65
-
I Really Messed Up: Your Next Steps to Heal Your Marriage After an Affair
by Mark Savage
- List rank#6
- Price$4.99
- Rating4.3
- Reviews56
-
Sex in Marriage: Spice It Up and Make It Wild! (sex, adult, relationship counseling, sex guide, sex tips, sex positions)
by Marjan Bazalac M.D.
- List rank#7
- Price$5.99
- Rating3.2
- Reviews64
-
Keys to the Kingdom: California Family Law Findings, Orders, and Practice Pointers (2025 Ed.)
by Hon. Hank M. Goldberg (Ret.)
- List rank#8
- Price$40.12
- Rating4.5
- Reviews33
-
F*ck! I'm Dead, Now What?: Everything You Need To Know When I am Gone| Important Information for My Family End of Life Planning Workbook, Business Affairs, and Final Wishes ( Death Planning Workbook)
by Memoirs of Nacer
- List rank#9
- Price$10.99
- Rating4.5
- Reviews94
-
PASS YOUR MARRIAGE-BASED GREEN CARD INTERVIEW: 700+ Practice Questions with Space for Your Answers: A Practical Preparation Guide for Before, During, and After Your Interview
by Wendy Grullón
- List rank#10
- Price$24.99
- Rating5.0
- Reviews1
Same niche in Kindle eBooks: Marriage
FAQ
Is Marriage a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 9 reviews and sells for $19.10.
How many reviews do you need to rank in Marriage?
The median best seller has 9 reviews, and 91% of them have fewer than 100.
What do Marriage best sellers cost?
The median price is $19.10; half of the best sellers are priced between $10.99 and $29.50.
Can new books break into Marriage?
8% 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.