KDP categories · Top KDP authors

Genetic Engineering (Science Fiction, Books): Amazon KDP category data

Amazon Books Best Sellers data for Genetic Engineering (Science Fiction, Books), updated Nov 3, 2026: median price $6.66, median 2,074 reviews, average rating 4.4 and a KDPTop opportunity score of 24/100 (highly competitive).

24Opportunity / 100
$6.66Median price
2,074Median reviews
Price range (middle 50%)$4.99 – $12.99
Average rating4.4
New releases (90 days)27%
Books on the list100
StoreBooks

What stands out

  • Its median reviews are 7% of the parent category Science Fiction (30,843), one of the easier corners under it.
  • 27% of its best sellers came out in the last 90 days, more than in 95% of Books categories: readers here keep buying new titles.
  • At $6.66 its median price is below 97% of Books categories, so it is a volume game.

Top 10 Genetic Engineering best sellers

  1. Unexpected Visitor book cover by John Walker

    Unexpected Visitor

    by John Walker

    • List rank#1
    • Price$0.99
    • Rating4.3
    • Reviews12

    View on Amazon · Full data on KDPTop

  2. The One (Expanded Edition): The Million-Copy International Bestseller – Now with Five Chap book cover by John Marrs

    The One (Expanded Edition): The Million-Copy International Bestseller – Now with Five Chapters of Exclusive Bonus Content (Dark Future Book 1)

    by John Marrs

    • List rank#2
    • Price$12.99
    • Rating4.2
    • Reviews71,851

    View on Amazon · Full data on KDPTop

  3. Brave New World book cover by Aldous Huxley

    Brave New World

    by Aldous Huxley

    • List rank#3
    • Price$12.99
    • Rating4.4
    • Reviews48,311

    View on Amazon · Full data on KDPTop

  4. The Felicity Complex book cover by August Clarke

    The Felicity Complex

    by August Clarke

    • List rank#4
    • Price$1.99
    • Rating3.6
    • Reviews47

    View on Amazon · Full data on KDPTop

  5. Children of Time book cover by Adrian Tchaikovsky

    Children of Time

    by Adrian Tchaikovsky

    • List rank#5
    • Price$9.99
    • Rating4.5
    • Reviews51,769

    View on Amazon · Full data on KDPTop

  6. Monsters of Ohio book cover by John Scalzi

    Monsters of Ohio

    by John Scalzi

    • List rank#6
    • Price$16.69
    • Reviews-

    View on Amazon · Full data on KDPTop

  7. The Institute: A Novel book cover by Stephen King

    The Institute: A Novel

    by Stephen King

    • List rank#7
    • Price$16.95
    • Rating4.6
    • Reviews64,393

    View on Amazon · Full data on KDPTop

  8. The Troop book cover by Nick Cutter

    The Troop

    by Nick Cutter

    • List rank#8
    • Price$17.69
    • Rating4.1
    • Reviews16,247

    View on Amazon · Full data on KDPTop

  9. Children of Ruin book cover by Adrian Tchaikovsky

    Children of Ruin

    by Adrian Tchaikovsky

    • List rank#9
    • Price$23.95
    • Rating4.3
    • Reviews19,506

    View on Amazon · Full data on KDPTop

  10. Paradox: A Novel (Cash & Colcord Book 2) book cover by Douglas Preston

    Paradox: A Novel (Cash & Colcord Book 2)

    by Douglas Preston

    • List rank#10
    • Price$15.99
    • Rating4.4
    • Reviews3,361

    View on Amazon · Full data on KDPTop

Same niche in Kindle eBooks: Genetic Engineering

FAQ

Is Genetic Engineering a good niche for Amazon KDP?

Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 2,074 reviews and sells for $6.66.

How many reviews do you need to rank in Genetic Engineering?

The median best seller has 2,074 reviews, and 14% of them have fewer than 100.

What do Genetic Engineering best sellers cost?

The median price is $6.66; half of the best sellers are priced between $4.99 and $12.99.

Can new books break into Genetic Engineering?

27% 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.