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Relationships (Health, Fitness & Dieting, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Relationships (Health, Fitness & Dieting, Kindle eBooks), updated Nov 3, 2026: median price $10.67, median 4,856 reviews, average rating 4.5 and a KDPTop opportunity score of 21/100 (highly competitive).

21Opportunity / 100
$10.67Median price
4,856Median reviews
Price range (middle 50%)$5.99 – $13.99
Average rating4.5
New releases (90 days)8%
Books on the list100
StoreKindle eBooks

What stands out

  • Its review barrier is higher than in 97% of Kindle eBooks categories: the median best seller has 4,856 reviews, so new books need time to build up.
  • At $10.67 its median price beats 90% of Kindle eBooks categories, leaving more margin per copy.
  • Prices spread wide: the middle half runs from $5.99 to $13.99, so budget editions and premium or boxed sets sell side by side.

Top 10 Relationships best sellers

  1. The Quiet Wife: A shockingly addictive crime mystery suspense thriller packed with twists, book cover by J.M. Cannon

    The Quiet Wife: A shockingly addictive crime mystery suspense thriller packed with twists, perfect for Fall 2026!!

    by J.M. Cannon

    • List rank#1
    • Price$3.99
    • Rating4.0
    • Reviews5,583

    View on Amazon · Full data on KDPTop

  2. How to Work a Room: The Ultimate Guide to Making Lasting Connections—In Person and Online book cover by Susan RoAne

    How to Work a Room: The Ultimate Guide to Making Lasting Connections—In Person and Online

    by Susan RoAne

    • List rank#2
    • Price$1.99
    • Rating4.2
    • Reviews295

    View on Amazon · Full data on KDPTop

  3. Making Peace with What I Can’t Control: Find Relief from the Exhaustion of Overthinking, T book cover by Lysa TerKeurst

    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

    by Lysa TerKeurst

    • List rank#3
    • Price$14.99
    • Rating4.8
    • Reviews206

    View on Amazon · Full data on KDPTop

  4. Adult Children of Emotionally Immature Parents: How to Heal from Distant, Rejecting, or Se book cover by Lindsay C. Gibson PsyD

    Adult Children of Emotionally Immature Parents: How to Heal from Distant, Rejecting, or Self-Involved Parents

    by Lindsay C. Gibson PsyD

    • List rank#4
    • Price$9.70
    • Rating4.8
    • Reviews28,580

    View on Amazon · Full data on KDPTop

  5. The Evolution of Desire: Strategies of Human Mating book cover by David M. Buss

    The Evolution of Desire: Strategies of Human Mating

    by David M. Buss

    • List rank#5
    • Price$1.99
    • Rating4.7
    • Reviews902

    View on Amazon · Full data on KDPTop

  6. Tuesdays with Morrie: An Old Man, a Young Man, and Life's Greatest Lesson, 25th Anniversar book cover by Mitch Albom

    Tuesdays with Morrie: An Old Man, a Young Man, and Life's Greatest Lesson, 25th Anniversary Edition

    by Mitch Albom

    • List rank#6
    • Price$7.99
    • Rating4.8
    • Reviews50,262

    View on Amazon · Full data on KDPTop

  7. Secure: The Revolutionary Guide to Creating a Secure Life book cover by Amir Levine

    Secure: The Revolutionary Guide to Creating a Secure Life

    by Amir Levine

    • List rank#7
    • Price$16.99
    • Rating4.5
    • Reviews181

    View on Amazon · Full data on KDPTop

  8. All About Love: New Visions (Love Song to the Nation Book 1) book cover by bell hooks

    All About Love: New Visions (Love Song to the Nation Book 1)

    by bell hooks

    • List rank#8
    • Price$2.99
    • Rating4.7
    • Reviews15,090

    View on Amazon · Full data on KDPTop

  9. Everything I Know About Love: A Memoir – A Hilarious New York Times Bestseller About Frien book cover by Dolly Alderton

    Everything I Know About Love: A Memoir – A Hilarious New York Times Bestseller About Friendship and Bad Dates in Your Twenties

    by Dolly Alderton

    • List rank#9
    • Price$14.49
    • Rating4.2
    • Reviews36,028

    View on Amazon · Full data on KDPTop

  10. 8 Rules of Love: How to Find It, Keep It, and Let It Go book cover by Jay Shetty

    8 Rules of Love: How to Find It, Keep It, and Let It Go

    by Jay Shetty

    • List rank#10
    • Price$2.99
    • Rating4.7
    • Reviews5,795

    View on Amazon · Full data on KDPTop

Subcategories

FAQ

Is Relationships a good niche for Amazon KDP?

Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 4,856 reviews and sells for $10.67.

How many reviews do you need to rank in Relationships?

The median best seller has 4,856 reviews, and 8% of them have fewer than 100.

What do Relationships best sellers cost?

The median price is $10.67; half of the best sellers are priced between $5.99 and $13.99.

Can new books break into Relationships?

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.