KDP categories · Top KDP authors

J. W. Wilcox: Amazon KDP author data

As of Nov 6, 2026, J. W. Wilcox has 14 books on Amazon, 14 of them on a best-seller list in the last 30 days (best rank #13), mostly in Astrophysics & Space Science, Cosmology, Physics.

14Books on Amazon
14Listed in 30 days
4.3Average rating
Median price$11.99
Price range (middle 50%)$10.49 – $22.99
Median reviews12
Total reviews161
New books (30 days)14
Breakout books (30 days)9

What stands out

  • 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $11.99, 18% below the median of their main category, Astrophysics & Space Science.
  • 14 new books in the last 30 days, 9 of them broke into a Best Sellers list.

J. W. Wilcox's best-ranked books

  1. Understanding Clean Energy in Plain English: The Real Future of Solar, Wind, Batteries, Nu book cover by J. W. Wilcox

    Understanding Clean Energy in Plain English: The Real Future of Solar, Wind, Batteries, Nuclear, and the Grid

    by J. W. Wilcox

    • Price$19.99
    • Rating4.4
    • Reviews8
    • Published2026-08

    View on Amazon · Full data on KDPTop

  2. Astrophysics in Plain English: The Hunt for Cosmic Rays, Extreme Magnetars, and the Univer book cover by J. W. Wilcox

    Astrophysics in Plain English: The Hunt for Cosmic Rays, Extreme Magnetars, and the Universe's Most Energetic Particles

    by J. W. Wilcox

    • Price$22.99
    • Rating4.6
    • Reviews11

    View on Amazon · Full data on KDPTop

  3. Introduction to Astrogeology in Plain English: The Strange Science of Volcanoes, Lava Flow book cover by J. W. Wilcox

    Introduction to Astrogeology in Plain English: The Strange Science of Volcanoes, Lava Flows, and Core Dynamics Across the Solar System

    by J. W. Wilcox

    • Price$22.99
    • Rating3.8
    • Reviews14

    View on Amazon · Full data on KDPTop

  4. Loop Quantum Gravity Explained: How Space Comes in Grains, Spin Networks, Black Holes Keep book cover by J. W. Wilcox

    Loop Quantum Gravity Explained: How Space Comes in Grains, Spin Networks, Black Holes Keep Accounts, and the Search for a Bounce

    by J. W. Wilcox

    • Price$11.99
    • Rating4.3
    • Reviews14

    View on Amazon · Full data on KDPTop

  5. Understanding Clean Energy in Plain English: The Real Future of Solar, Wind, Batteries, Nu book cover by J. W. Wilcox

    Understanding Clean Energy in Plain English: The Real Future of Solar, Wind, Batteries, Nuclear, and the Grid

    by J. W. Wilcox

    • Price$32.99
    • Rating4.4
    • Reviews8

    View on Amazon · Full data on KDPTop

  6. Introduction to Astrogeology in Plain English: The Strange Science of Volcanoes, Lava Flow book cover by J. W. Wilcox

    Introduction to Astrogeology in Plain English: The Strange Science of Volcanoes, Lava Flows, and Core Dynamics Across the Solar System

    by J. W. Wilcox

    • Price$11.99
    • Rating3.8
    • Reviews14

    View on Amazon · Full data on KDPTop

  7. Loop Quantum Gravity Explained: How Space Comes in Grains, Spin Networks, Black Holes Keep book cover by J. W. Wilcox

    Loop Quantum Gravity Explained: How Space Comes in Grains, Spin Networks, Black Holes Keep Accounts, and the Search for a Bounce

    by J. W. Wilcox

    • Price$22.99
    • Rating4.3
    • Reviews14

    View on Amazon · Full data on KDPTop

  8. Loop Quantum Gravity Explained: How Space Comes in Grains, Spin Networks, Black Holes Keep book cover by J. W. Wilcox

    Loop Quantum Gravity Explained: How Space Comes in Grains, Spin Networks, Black Holes Keep Accounts, and the Search for a Bounce

    by J. W. Wilcox

    • Price$7.99
    • Rating4.3
    • Reviews14

    View on Amazon · Full data on KDPTop

  9. Understanding Clean Energy in Plain English: The Real Future of Solar, Wind, Batteries, Nu book cover by J. W. Wilcox

    Understanding Clean Energy in Plain English: The Real Future of Solar, Wind, Batteries, Nuclear, and the Grid

    by J. W. Wilcox

    • Price$9.99
    • Rating4.4
    • Reviews8
    • Published2026-08

    View on Amazon · Full data on KDPTop

  10. Introduction to Astrogeology in Plain English: The Strange Science of Volcanoes, Lava Flow book cover by J. W. Wilcox

    Introduction to Astrogeology in Plain English: The Strange Science of Volcanoes, Lava Flows, and Core Dynamics Across the Solar System

    by J. W. Wilcox

    • Price$7.99
    • Rating3.8
    • Reviews14

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does J. W. Wilcox have on Amazon?

KDPTop tracks 14 of their books; 14 made an Amazon list in the last 30 days.

Which categories does J. W. Wilcox publish in?

Their books chart most often in Astrophysics & Space Science, Cosmology, Physics.

How does J. W. Wilcox price their books?

The median price is $11.99; half of the books cost $10.49–$22.99.

Has J. W. Wilcox released new books recently?

14 new books in the last 30 days, 9 of which reached a Best Sellers list.

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.