KDP categories · Top KDP authors
Marriage & Family (Sociology, Books): Amazon KDP category data
Amazon Books Best Sellers data for Marriage & Family (Sociology, Books), updated Nov 3, 2026: median price $12.99, median 923 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $10.93 – $17.05 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 16% of the parent category Sociology (5,749), one of the easier corners under it.
- Its review barrier is higher than in 84% of Books categories: the median best seller has 923 reviews, so new books need time to build up.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
Top 10 Marriage & Family best sellers
-
Eight Dates: Essential Conversations for a Lifetime of Love
by John Gottman Ph.D.
- List rank#1
- Price$18.56
- Rating4.7
- Reviews5,515
-
Hold Me Tight: Seven Conversations for a Lifetime of Love (The Dr. Sue Johnson Collection, 1)
- List rank#2
- Price$14.04
- Rating4.6
- Reviews6,448
-
The Fair Play Deck: A Couple's Conversation Deck for Prioritizing What's Important
by Eve Rodsky
- List rank#3
- Price$17.06
- Rating4.3
- Reviews2,020
-
It Begins with You: The 9 Hard Truths About Love That Will Change Your Life
- List rank#4
- Price$16.45
- Rating4.7
- Reviews2,059
-
Fair Play: Reese's Book Club: A Game-Changing Solution for When You Have Too Much to Do (and More Life to Live)
by Eve Rodsky
- List rank#5
- Price$15.67
- Rating4.4
- Reviews2,763
-
Far From the Tree: Parents, Children and the Search for Identity
by Andrew Solomon
- List rank#6
- Price$2.99
- Rating4.6
- Reviews2,125
-
The Ethical Slut, Third Edition: A Practical Guide to Polyamory, Open Relationships, and Other Freedoms in Sex and Love
by Janet W. Hardy
- List rank#7
- Price$9.67
- Rating4.7
- Reviews6,146
-
Bad Therapy: Why the Kids Aren't Growing Up
by Abigail Shrier
- List rank#8
- Price$11.75
- Rating4.6
- Reviews2,168
-
Rewrite Your Story: How to Step into Your Power and Get the Love You Deserve
- List rank#9
- Price$20.39
- Reviews-
-
Communion: A New York Times Bestseller (Love Song to the Nation, 2)
by bell hooks
- List rank#10
- Price$14.39
- Rating4.8
- Reviews1,427
FAQ
Is Marriage & Family a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 923 reviews and sells for $12.99.
How many reviews do you need to rank in Marriage & Family?
The median best seller has 923 reviews, and 19% of them have fewer than 100.
What do Marriage & Family best sellers cost?
The median price is $12.99; half of the best sellers are priced between $10.93 and $17.05.
Can new books break into Marriage & Family?
4% 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.