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Science Fiction & Fantasy (Nonfiction › Literary Criticism › Subjects & Themes, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Science Fiction & Fantasy (Nonfiction › Literary Criticism › Subjects & Themes, Kindle eBooks), updated Nov 2, 2026: median price $8.49, median 72 reviews, average rating 4.4 and a KDPTop opportunity score of 25/100 (highly competitive).

25Opportunity / 100
$8.49Median price
72Median reviews
Price range (middle 50%)$2.99 – $11.99
Average rating4.4
New releases (90 days)4%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 10% of the parent category Subjects & Themes (692), 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.
  • Prices spread wide: the middle half runs from $2.99 to $11.99, so budget editions and premium or boxed sets sell side by side.

Top 10 Science Fiction & Fantasy best sellers

  1. The War for Middle-earth: J.R.R. Tolkien and C.S. Lewis Confront the Gathering Storm, 1933 book cover by Joseph Loconte

    The War for Middle-earth: J.R.R. Tolkien and C.S. Lewis Confront the Gathering Storm, 1933–1945

    by Joseph Loconte

    • List rank#1
    • Price$14.49
    • Rating4.8
    • Reviews222

    View on Amazon · Full data on KDPTop

  2. Wonderbook: The Illustrated Guide to Creating Imaginative Fiction book cover by Jeff VanderMeer

    Wonderbook: The Illustrated Guide to Creating Imaginative Fiction

    by Jeff VanderMeer

    • List rank#2
    • Price$9.99
    • Rating4.7
    • Reviews929

    View on Amazon · Full data on KDPTop

  3. The King Under the Mountain: In Search of J. R. R. Tolkien book cover by D. J. Taylor

    The King Under the Mountain: In Search of J. R. R. Tolkien

    by D. J. Taylor

    • List rank#3
    • Price$19.95
    • Rating3.6
    • Reviews4

    View on Amazon · Full data on KDPTop

  4. Hollow Earth: The Long and Curious History of Imagining Strange Lands, Fantastical Creatur book cover by David Standish

    Hollow Earth: The Long and Curious History of Imagining Strange Lands, Fantastical Creatures, Advanced Civilization

    by David Standish

    • List rank#4
    • Price$1.99
    • Rating4.3
    • Reviews110

    View on Amazon · Full data on KDPTop

  5. Transhuman and Subhuman: Essays on Science Fiction and Awful Truth book cover by John C. Wright

    Transhuman and Subhuman: Essays on Science Fiction and Awful Truth

    by John C. Wright

    • List rank#5
    • Price$0.99
    • Rating4.6
    • Reviews16

    View on Amazon · Full data on KDPTop

  6. Brave New World Revisited book cover by Aldous Huxley

    Brave New World Revisited

    by Aldous Huxley

    • List rank#6
    • Price$12.99
    • Rating4.4
    • Reviews1,699

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  7. A Hobbit, a Wardrobe, and a Great War: How J.R.R. Tolkien and C.S. Lewis Rediscovered Fait book cover by Joseph Loconte

    A Hobbit, a Wardrobe, and a Great War: How J.R.R. Tolkien and C.S. Lewis Rediscovered Faith, Friendship, and Heroism in the Cataclysm of 1914-18

    by Joseph Loconte

    • List rank#7
    • Price$11.99
    • Rating4.6
    • Reviews1,640

    View on Amazon · Full data on KDPTop

  8. The Dark Side of Alice in Wonderland book cover by Angela Youngman

    The Dark Side of Alice in Wonderland

    by Angela Youngman

    • List rank#8
    • Price$12.99
    • Rating4.5
    • Reviews140

    View on Amazon · Full data on KDPTop

  9. On Writing and Worldbuilding: Volume I book cover by Timothy Hickson

    On Writing and Worldbuilding: Volume I

    by Timothy Hickson

    • List rank#9
    • Price$8.99
    • Rating4.8
    • Reviews2,497

    View on Amazon · Full data on KDPTop

  10. Exploring J.r.r. Tolkien's "the Hobbit" book cover by Corey Olsen

    Exploring J.r.r. Tolkien's "the Hobbit"

    by Corey Olsen

    • List rank#10
    • Price$10.96
    • Rating4.7
    • Reviews280

    View on Amazon · Full data on KDPTop

FAQ

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

Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 72 reviews and sells for $8.49.

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

The median best seller has 72 reviews, and 56% of them have fewer than 100.

What do Science Fiction & Fantasy best sellers cost?

The median price is $8.49; half of the best sellers are priced between $2.99 and $11.99.

Can new books break into Science Fiction & Fantasy?

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.