KDP categories · Top KDP authors

Electromagnetism (Physics, Books): Amazon KDP category data

Amazon Books Best Sellers data for Electromagnetism (Physics, Books), updated Nov 3, 2026: median price $22.80, median 180 reviews, average rating 4.5 and a KDPTop opportunity score of 30/100 (highly competitive).

30Opportunity / 100
$22.80Median price
180Median reviews
Price range (middle 50%)$15.45 – $36
Average rating4.5
New releases (90 days)9%
Books on the list100
StoreBooks

What stands out

  • Its median reviews are 10% of the parent category Physics (1,850), one of the easier corners under it.
  • At $22.80 its median price beats 81% of Books categories, leaving more margin per copy.
  • Prices spread wide: the middle half runs from $15.45 to $36, so budget editions and premium or boxed sets sell side by side.

Top 10 Electromagnetism best sellers

  1. The Body Electric: Electromagnetism And The Foundation Of Life book cover by Robert Becker

    The Body Electric: Electromagnetism And The Foundation Of Life

    by Robert Becker

    • List rank#1
    • Price$12.98
    • Rating4.6
    • Reviews1,571

    View on Amazon · Full data on KDPTop

  2. A New Science of Heaven: How the new science of plasma physics is shedding light on spirit book cover by Robert Temple

    A New Science of Heaven: How the new science of plasma physics is shedding light on spiritual experience

    by Robert Temple

    • List rank#2
    • Price$15.99
    • Rating4.6
    • Reviews433

    View on Amazon · Full data on KDPTop

  3. Scientific American September 2026 book cover by Scientific American

    Scientific American September 2026

    by Scientific American

    • List rank#3
    • Price$6.99
    • Rating4.8
    • Reviews13

    View on Amazon · Full data on KDPTop

  4. Scientific American October 2026 book cover by Scientific American

    Scientific American October 2026

    by Scientific American

    • List rank#4
    • Price$6.99
    • Rating4.2
    • Reviews7

    View on Amazon · Full data on KDPTop

  5. The Invisible Rainbow: A History of Electricity and Life book cover by Arthur Firstenberg

    The Invisible Rainbow: A History of Electricity and Life

    by Arthur Firstenberg

    • List rank#5
    • Price$16.40
    • Rating4.8
    • Reviews2,835

    View on Amazon · Full data on KDPTop

  6. Getting Started in Electronics book cover by Forrest M. Mims III

    Getting Started in Electronics

    by Forrest M. Mims III

    • List rank#6
    • Price$31.60
    • Rating4.6
    • Reviews770

    View on Amazon · Full data on KDPTop

  7. Scientific American June 2026 book cover by Scientific American

    Scientific American June 2026

    by Scientific American

    • List rank#7
    • Price$6.99
    • Rating4.4
    • Reviews42

    View on Amazon · Full data on KDPTop

  8. Basic Electricity book cover by U.S. Bureau of Naval Personnel

    Basic Electricity

    by U.S. Bureau of Naval Personnel

    • List rank#8
    • Price$19.95
    • Rating4.4
    • Reviews602

    View on Amazon · Full data on KDPTop

  9. The Grid: The Fraying Wires Between Americans and Our Energy Future book cover by Gretchen Bakke Ph.D.

    The Grid: The Fraying Wires Between Americans and Our Energy Future

    by Gretchen Bakke Ph.D.

    • List rank#9
    • Price$19.59
    • Rating4.2
    • Reviews1,314

    View on Amazon · Full data on KDPTop

  10. My Inventions: The Autobiography of Nikola Tesla book cover by Nikola Tesla

    My Inventions: The Autobiography of Nikola Tesla

    by Nikola Tesla

    • List rank#10
    • Price$3.45
    • Rating4.6
    • Reviews1,790

    View on Amazon · Full data on KDPTop

Subcategories

Same niche in Kindle eBooks: Electromagnetism

FAQ

Is Electromagnetism a good niche for Amazon KDP?

Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 180 reviews and sells for $22.80.

How many reviews do you need to rank in Electromagnetism?

The median best seller has 180 reviews, and 41% of them have fewer than 100.

What do Electromagnetism best sellers cost?

The median price is $22.80; half of the best sellers are priced between $15.45 and $36.

Can new books break into Electromagnetism?

9% 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.