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Siblings (Literature & Fiction › Family Life, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Siblings (Literature & Fiction › Family Life, Kindle eBooks), updated Nov 2, 2026: median price $4.99, median 8,076 reviews, average rating 4.3 and a KDPTop opportunity score of 17/100 (highly competitive).

17Opportunity / 100
$4.99Median price
8,076Median reviews
Price range (middle 50%)$2.99 – $11.12
Average rating4.3
New releases (90 days)20%
Books on the list100
StoreKindle eBooks

What stands out

  • Its review barrier is higher than in 98% of Kindle eBooks categories: the median best seller has 8,076 reviews, so new books need time to build up.
  • At $4.99 its median price is below 91% of Kindle eBooks categories, so it is a volume game.
  • 20% of its best sellers came out in the last 90 days, more than in 86% of Kindle eBooks categories: readers here keep buying new titles.

Top 10 Siblings best sellers

  1. Mirror Image book cover by Lauren E. Rico

    Mirror Image

    by Lauren E. Rico

    • List rank#1
    • Price$4.99
    • Rating4.5
    • Reviews4,783

    View on Amazon · Full data on KDPTop

  2. Peace Like a River: A Novel book cover by Leif Enger

    Peace Like a River: A Novel

    by Leif Enger

    • List rank#2
    • Price$1.99
    • Rating4.4
    • Reviews7,879

    View on Amazon · Full data on KDPTop

  3. The Good Sister: A Novel book cover by Sally Hepworth

    The Good Sister: A Novel

    by Sally Hepworth

    • List rank#3
    • Price$2.99
    • Rating4.4
    • Reviews47,238

    View on Amazon · Full data on KDPTop

  4. The Firefly Hour: A Novel book cover by Annie Rains

    The Firefly Hour: A Novel

    by Annie Rains

    • List rank#4
    • Price$1.99
    • Rating3.6
    • Reviews3

    View on Amazon · Full data on KDPTop

  5. The Daughters of Rosebud: A Novel book cover by Sonny Buttar

    The Daughters of Rosebud: A Novel

    by Sonny Buttar

    • List rank#5
    • Price$4.99
    • Rating4.4
    • Reviews3,969

    View on Amazon · Full data on KDPTop

  6. How to Ruin a Wedding: A Novel book cover by Elba Luz

    How to Ruin a Wedding: A Novel

    by Elba Luz

    • List rank#6
    • Price$2.99
    • Rating4.1
    • Reviews14,754

    View on Amazon · Full data on KDPTop

  7. Philippa Flynn's Year of Panic and Piracy: A Novel book cover by Jacqueline Firkins

    Philippa Flynn's Year of Panic and Piracy: A Novel

    by Jacqueline Firkins

    • List rank#7
    • Price$4.99
    • Rating4.3
    • Reviews8,821

    View on Amazon · Full data on KDPTop

  8. The Girl I Was: A Novel – A NYT Bestseller Contemporary Fiction and Time Travel Adventure book cover by Jeneva Rose

    The Girl I Was: A Novel – A NYT Bestseller Contemporary Fiction and Time Travel Adventure

    by Jeneva Rose

    • List rank#8
    • Price$1.99
    • Rating4.2
    • Reviews6,666

    View on Amazon · Full data on KDPTop

  9. Lead Me Home: A Novel (Queen Anne Hill) book cover by Catherine Bybee

    Lead Me Home: A Novel (Queen Anne Hill)

    by Catherine Bybee

    • List rank#9
    • Price$5.99
    • Rating4.6
    • Reviews6,207

    View on Amazon · Full data on KDPTop

  10. When She Was Ours: A Novel book cover by Anna Nordberg

    When She Was Ours: A Novel

    by Anna Nordberg

    • List rank#10
    • Price$2.49
    • Rating4.4
    • Reviews14,812

    View on Amazon · Full data on KDPTop

FAQ

Is Siblings a good niche for Amazon KDP?

Its KDPTop opportunity score is 17/100, which makes it highly competitive. The median best seller has 8,076 reviews and sells for $4.99.

How many reviews do you need to rank in Siblings?

The median best seller has 8,076 reviews, and 4% of them have fewer than 100.

What do Siblings best sellers cost?

The median price is $4.99; half of the best sellers are priced between $2.99 and $11.12.

Can new books break into Siblings?

20% 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.