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Science Fiction & Fantasy (Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Science Fiction & Fantasy (Kindle eBooks), updated Nov 3, 2026: median price $6.99, median 42,492 reviews, average rating 4.5 and a KDPTop opportunity score of 12/100 (highly competitive).

12Opportunity / 100
$6.99Median price
42,492Median reviews
Price range (middle 50%)$4.99 – $11.99
Average rating4.5
New releases (90 days)28%
Books on the list100
StoreKindle eBooks

What stands out

  • Its review barrier is higher than in 99% of Kindle eBooks categories: the median best seller has 42,492 reviews, so new books need time to build up.
  • 28% of its best sellers came out in the last 90 days, more than in 94% of Kindle eBooks categories: readers here keep buying new titles.
  • Prices spread wide: the middle half runs from $4.99 to $11.99, so budget editions and premium or boxed sets sell side by side.

Top 10 Science Fiction & Fantasy best sellers

  1. A Court of Splintered Harmony: The Valkyrie Cycle, Movement I (A Court of Thorns and Roses book cover by Sarah J. Maas

    A Court of Splintered Harmony: The Valkyrie Cycle, Movement I (A Court of Thorns and Roses Book 6)

    by Sarah J. Maas

    • List rank#1
    • Price$15.99
    • Rating4.3
    • Reviews18,008

    View on Amazon · Full data on KDPTop

  2. I Accidentally Joined a Wolf Shifter Group Chat book cover by Roxie Ray

    I Accidentally Joined a Wolf Shifter Group Chat

    by Roxie Ray

    • List rank#2
    • Price$6.99
    • Rating4.5
    • Reviews2,045

    View on Amazon · Full data on KDPTop

  3. The Washwoman at the River's End (The Curse of the Fates Series Book 1) book cover by Megan Shade

    The Washwoman at the River's End (The Curse of the Fates Series Book 1)

    by Megan Shade

    • List rank#3
    • Price$4.99
    • Rating4.6
    • Reviews7,854

    View on Amazon · Full data on KDPTop

  4. Fourth Wing (The Empyrean Book 1) book cover by Rebecca Yarros

    Fourth Wing (The Empyrean Book 1)

    by Rebecca Yarros

    • List rank#4
    • Price$14.99
    • Rating4.8
    • Reviews545,267

    View on Amazon · Full data on KDPTop

  5. Dungeon Crawler Carl: Dungeon Crawler Carl Book 1 book cover by Matt Dinniman

    Dungeon Crawler Carl: Dungeon Crawler Carl Book 1

    by Matt Dinniman

    • List rank#5
    • Price$4.99
    • Rating4.6
    • Reviews125,761

    View on Amazon · Full data on KDPTop

  6. Iron Flame (The Empyrean Book 2) book cover by Rebecca Yarros

    Iron Flame (The Empyrean Book 2)

    by Rebecca Yarros

    • List rank#6
    • Price$14.99
    • Rating4.7
    • Reviews445,793

    View on Amazon · Full data on KDPTop

  7. Threshing Day (The Empyrean) book cover by Rebecca Yarros

    Threshing Day (The Empyrean)

    by Rebecca Yarros

    • List rank#7
    • Price$11.99
    • Rating4.6
    • Reviews59,929

    View on Amazon · Full data on KDPTop

  8. Onyx Storm (The Empyrean Book 3) book cover by Rebecca Yarros

    Onyx Storm (The Empyrean Book 3)

    by Rebecca Yarros

    • List rank#8
    • Price$14.99
    • Rating4.6
    • Reviews339,094

    View on Amazon · Full data on KDPTop

  9. A Court of Forgotten Melody: The Valkyrie Cycle, Movements II & III (A Court of Thorns and book cover by Sarah J. Maas

    A Court of Forgotten Melody: The Valkyrie Cycle, Movements II & III (A Court of Thorns and Roses Book 7)

    by Sarah J. Maas

    • List rank#9
    • Price$19.88
    • Reviews-

    View on Amazon · Full data on KDPTop

  10. House of Earth and Blood (Crescent City Book 1) book cover by Sarah J. Maas

    House of Earth and Blood (Crescent City Book 1)

    by Sarah J. Maas

    • List rank#10
    • Price$9.49
    • Rating4.7
    • Reviews183,951

    View on Amazon · Full data on KDPTop

Subcategories

Same niche in Books: Science Fiction & Fantasy

FAQ

Is Science Fiction & Fantasy a good niche for Amazon KDP?

Its KDPTop opportunity score is 12/100, which makes it highly competitive. The median best seller has 42,492 reviews and sells for $6.99.

How many reviews do you need to rank in Science Fiction & Fantasy?

The median best seller has 42,492 reviews, and 7% of them have fewer than 100.

What do Science Fiction & Fantasy best sellers cost?

The median price is $6.99; half of the best sellers are priced between $4.99 and $11.99.

Can new books break into Science Fiction & Fantasy?

28% 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.