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Friendship (Social & Family Issues, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Friendship (Social & Family Issues, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 5,886 reviews, average rating 4.5 and a KDPTop opportunity score of 18/100 (highly competitive).

18Opportunity / 100
$9.99Median price
5,886Median reviews
Price range (middle 50%)$7.99 – $11.99
Average rating4.5
New releases (90 days)4%
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 5,886 reviews, so new books need time to build up.
  • Its median reviews are 23% of the parent category Social & Family Issues (25,056), one of the easier corners under it.
  • Only 4% of its best sellers are under 90 days old, fewer than in 82% of Kindle eBooks categories: established titles hold the list.

Top 10 Friendship best sellers

  1. Harry Potter and the Sorcerer's Stone book cover by J.K. Rowling

    Harry Potter and the Sorcerer's Stone

    by J.K. Rowling

    • List rank#1
    • Price$11.99
    • Rating4.8
    • Reviews161,455

    View on Amazon · Full data on KDPTop

  2. Harry Potter and the Chamber of Secrets book cover by J.K. Rowling

    Harry Potter and the Chamber of Secrets

    by J.K. Rowling

    • List rank#2
    • Price$11.99
    • Rating4.8
    • Reviews123,801

    View on Amazon · Full data on KDPTop

  3. Harry Potter and the Prisoner of Azkaban book cover by J.K. Rowling

    Harry Potter and the Prisoner of Azkaban

    by J.K. Rowling

    • List rank#3
    • Price$11.99
    • Rating4.8
    • Reviews118,417

    View on Amazon · Full data on KDPTop

  4. Harry Potter and the Goblet of Fire book cover by J.K. Rowling

    Harry Potter and the Goblet of Fire

    by J.K. Rowling

    • List rank#4
    • Price$11.99
    • Rating4.8
    • Reviews106,757

    View on Amazon · Full data on KDPTop

  5. Harry Potter and the Order of the Phoenix book cover by J.K. Rowling

    Harry Potter and the Order of the Phoenix

    by J.K. Rowling

    • List rank#5
    • Price$11.99
    • Rating4.8
    • Reviews104,205

    View on Amazon · Full data on KDPTop

  6. Harry Potter and the Deathly Hallows book cover by J.K. Rowling

    Harry Potter and the Deathly Hallows

    by J.K. Rowling

    • List rank#6
    • Price$11.99
    • Rating4.9
    • Reviews112,118

    View on Amazon · Full data on KDPTop

  7. Harry Potter and the Half-Blood Prince book cover by J.K. Rowling

    Harry Potter and the Half-Blood Prince

    by J.K. Rowling

    • List rank#7
    • Price$11.99
    • Rating4.8
    • Reviews87,632

    View on Amazon · Full data on KDPTop

  8. If He Had Been with Me: A Heartbreaking Romance of First Love and Loss book cover by Laura Nowlin

    If He Had Been with Me: A Heartbreaking Romance of First Love and Loss

    by Laura Nowlin

    • List rank#8
    • Price$6.54
    • Rating4.2
    • Reviews66,662

    View on Amazon · Full data on KDPTop

  9. The Summer I Turned Pretty book cover by Jenny Han

    The Summer I Turned Pretty

    by Jenny Han

    • List rank#9
    • Price$9.99
    • Rating4.4
    • Reviews77,468

    View on Amazon · Full data on KDPTop

  10. It's Not Summer Without You (The Summer I Turned Pretty Book 2) book cover by Jenny Han

    It's Not Summer Without You (The Summer I Turned Pretty Book 2)

    by Jenny Han

    • List rank#10
    • Price$9.99
    • Rating4.4
    • Reviews51,788

    View on Amazon · Full data on KDPTop

FAQ

Is Friendship a good niche for Amazon KDP?

Its KDPTop opportunity score is 18/100, which makes it highly competitive. The median best seller has 5,886 reviews and sells for $9.99.

How many reviews do you need to rank in Friendship?

The median best seller has 5,886 reviews, and 3% of them have fewer than 100.

What do Friendship best sellers cost?

The median price is $9.99; half of the best sellers are priced between $7.99 and $11.99.

Can new books break into Friendship?

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.