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Biophysics (Biological Sciences, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Biophysics (Biological Sciences, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 5 reviews, average rating 4.4 and a KDPTop opportunity score of 29/100 (highly competitive).

29Opportunity / 100
$9.99Median price
5Median reviews
Price range (middle 50%)$6.99 – $15.99
Average rating4.4
New releases (90 days)20%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 0% of the parent category Biological Sciences (1,130), one of the easier corners under it.
  • Its review barrier is lower than in 89% of Kindle eBooks categories: the median best seller has only 5 reviews, so new books can chart with few.
  • 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 Biophysics best sellers

  1. Scientific American September 2026 book cover by Scientific American

    Scientific American September 2026

    by Scientific American

    • List rank#1
    • Price$6.99
    • Rating4.8
    • Reviews13

    View on Amazon · Full data on KDPTop

  2. Scientific American October 2026 book cover by Scientific American

    Scientific American October 2026

    by Scientific American

    • List rank#2
    • Price$6.99
    • Rating4.2
    • Reviews7

    View on Amazon · Full data on KDPTop

  3. Scientific American June 2026 book cover by Scientific American

    Scientific American June 2026

    by Scientific American

    • List rank#3
    • Price$6.99
    • Rating4.4
    • Reviews42

    View on Amazon · Full data on KDPTop

  4. Scientific American November 2026 book cover by Scientific American

    Scientific American November 2026

    by Scientific American

    • List rank#4
    • Price$6.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. Scientific American July/August 2026 book cover by Scientific American

    Scientific American July/August 2026

    by Scientific American

    • List rank#5
    • Price$6.99
    • Rating4.7
    • Reviews8

    View on Amazon · Full data on KDPTop

  6. Scientific American May 2026 book cover by Scientific American

    Scientific American May 2026

    by Scientific American

    • List rank#6
    • Price$6.99
    • Rating4.0
    • Reviews1

    View on Amazon · Full data on KDPTop

  7. Scale: The Universal Laws of Life, Growth, and Death in Organisms, Cities, and Companies book cover by Geoffrey West

    Scale: The Universal Laws of Life, Growth, and Death in Organisms, Cities, and Companies

    by Geoffrey West

    • List rank#7
    • Price$13.99
    • Rating4.4
    • Reviews1,475

    View on Amazon · Full data on KDPTop

  8. Scientific American 14th April 2026 book cover by Scientific American

    Scientific American 14th April 2026

    by Scientific American

    • List rank#8
    • Price$6.99
    • Rating4.5
    • Reviews11

    View on Amazon · Full data on KDPTop

  9. Scientific American 20th January 2026 book cover by Scientific American

    Scientific American 20th January 2026

    by Scientific American

    • List rank#9
    • Price$6.99
    • Rating4.6
    • Reviews3

    View on Amazon · Full data on KDPTop

  10. Plant Physics book cover by Karl J. Niklas

    Plant Physics

    by Karl J. Niklas

    • List rank#10
    • Price$2.99
    • Rating4.8
    • Reviews15

    View on Amazon · Full data on KDPTop

Same niche in Books: Biophysics

FAQ

Is Biophysics a good niche for Amazon KDP?

Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 5 reviews and sells for $9.99.

How many reviews do you need to rank in Biophysics?

The median best seller has 5 reviews, and 84% of them have fewer than 100.

What do Biophysics best sellers cost?

The median price is $9.99; half of the best sellers are priced between $6.99 and $15.99.

Can new books break into Biophysics?

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.