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Interpersonal Relations (Relationships, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Interpersonal Relations (Relationships, Kindle eBooks), updated Nov 3, 2026: median price $11.99, median 1,620 reviews, average rating 4.6 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $8.99 – $13.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its review barrier is higher than in 92% of Kindle eBooks categories: the median best seller has 1,620 reviews, so new books need time to build up.
- Its median reviews are 33% of the parent category Relationships (4,856), one of the easier corners under it.
- At $11.99 its median price beats 93% of Kindle eBooks categories, leaving more margin per copy.
Top 10 Interpersonal Relations best sellers
-
How to Work a Room: The Ultimate Guide to Making Lasting Connections—In Person and Online
by Susan RoAne
- List rank#1
- Price$1.99
- Rating4.2
- Reviews295
-
Making Peace with What I Can’t Control: Find Relief from the Exhaustion of Overthinking, Trying to Fix Others, and Wanting to Figure It All Out
- List rank#2
- Price$14.99
- Rating4.8
- Reviews206
-
Adult Children of Emotionally Immature Parents: How to Heal from Distant, Rejecting, or Self-Involved Parents
- List rank#3
- Price$9.70
- Rating4.8
- Reviews28,580
-
The Evolution of Desire: Strategies of Human Mating
by David M. Buss
- List rank#4
- Price$1.99
- Rating4.7
- Reviews902
-
Secure: The Revolutionary Guide to Creating a Secure Life
by Amir Levine
- List rank#5
- Price$16.99
- Rating4.5
- Reviews181
-
All About Love: New Visions (Love Song to the Nation Book 1)
by bell hooks
- List rank#6
- Price$2.99
- Rating4.7
- Reviews15,090
-
Why Has Nobody Told Me This Before?: An International Bestselling Guide to Mental Health and Emotional Resilience from a Clinical Psychologist
by Julie Smith
- List rank#7
- Price$11.99
- Rating4.5
- Reviews14,370
-
How to Win Friends and Influence People: Updated For the Next Generation of Leaders (Dale Carnegie Books)
- List rank#8
- Price$14.99
- Rating4.7
- Reviews101,798
-
Attached: The New Science of Adult Attachment and How It Can Help You Find--and Keep-- Love
by Amir Levine
- List rank#9
- Price$14.99
- Rating4.7
- Reviews23,894
-
The Power of Moments: Why Certain Experiences Have Extraordinary Impact
by Chip Heath
- List rank#10
- Price$2.99
- Rating4.6
- Reviews5,022
FAQ
Is Interpersonal Relations a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 1,620 reviews and sells for $11.99.
How many reviews do you need to rank in Interpersonal Relations?
The median best seller has 1,620 reviews, and 12% of them have fewer than 100.
What do Interpersonal Relations best sellers cost?
The median price is $11.99; half of the best sellers are priced between $8.99 and $13.99.
Can new books break into Interpersonal Relations?
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.