KDP categories · Top KDP authors

John Campbell: Amazon KDP author data

As of Nov 6, 2026, John Campbell has 13 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #15), mostly in Teams, Leadership, Home Schooling.

13Books on Amazon
12Listed in 30 days
4.6Average rating
Median price$42.49
Price range (middle 50%)$17.49 – $66.48
Median reviews30
Total reviews224
New books (30 days)4
Breakout books (30 days)1

What stands out

  • 92% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $42.49, 227% above the median of their main category, Teams.
  • 4 new books in the last 30 days, 1 of them broke into a Best Sellers list.

John Campbell's best-ranked books

  1. The Creative Gardener: Inspiring People, Remarkable Gardens book cover by John Campbell

    The Creative Gardener: Inspiring People, Remarkable Gardens

    by John Campbell

    • Price$34.02
    • Rating4.4
    • Reviews4
    • Published2026-09

    View on Amazon · Full data on KDPTop

  2. Complete Casting Handbook: Metal Casting Processes, Metallurgy, Techniques and Design book cover by John Campbell

    Complete Casting Handbook: Metal Casting Processes, Metallurgy, Techniques and Design

    by John Campbell

    • Price$150
    • Rating4.7
    • Reviews42

    View on Amazon · Full data on KDPTop

  3. Castings Practice: The Ten Rules of Castings book cover by John Campbell

    Castings Practice: The Ten Rules of Castings

    by John Campbell

    • Price$70.71
    • Rating4.6
    • Reviews7

    View on Amazon · Full data on KDPTop

  4. AI for Everyday Life: 12 Ways to Make Your Life Easier Without Being a Computer Expert (Go book cover by John Campbell

    AI for Everyday Life: 12 Ways to Make Your Life Easier Without Being a Computer Expert (Got a Smartphone?)

    by John Campbell

    • Price$4.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. Understanding Pharma : The Professional’s Guide to How Pharmaceutical and Biotechnology Co book cover by John Campbell

    Understanding Pharma : The Professional’s Guide to How Pharmaceutical and Biotechnology Companies Really Work

    by John Campbell

    • Price$49.99
    • Rating5.0
    • Reviews3

    View on Amazon · Full data on KDPTop

  6. Complete Casting Handbook: Metal Casting Processes, Metallurgy, Techniques and Design book cover by John Campbell

    Complete Casting Handbook: Metal Casting Processes, Metallurgy, Techniques and Design

    by John Campbell

    • Price$120
    • Rating4.7
    • Reviews42

    View on Amazon · Full data on KDPTop

  7. Anthony Bourdain: A Biography book cover by John Campbell

    Anthony Bourdain: A Biography

    by John Campbell

    • Price$2.99
    • Rating4.1
    • Reviews112

    View on Amazon · Full data on KDPTop

  8. The Detroit Public Library: An American Classic (Painted Turtle Press) book cover by John Campbell

    The Detroit Public Library: An American Classic (Painted Turtle Press)

    by John Campbell

    • Price$36.99
    • Rating4.9
    • Reviews21
    • Published2017-05

    View on Amazon · Full data on KDPTop

  9. The Black Book of Quantum Chromodynamics -- A Primer for the LHC Era book cover by John Campbell

    The Black Book of Quantum Chromodynamics -- A Primer for the LHC Era

    by John Campbell

    • Price$0
    • Rating4.4
    • Reviews18
    • Published2018-01

    View on Amazon · Full data on KDPTop

  10. The Underrated Superpowers of Business: Giving Trust, Listening, Humility, Empathy, Calmne book cover by John Campbell

    The Underrated Superpowers of Business: Giving Trust, Listening, Humility, Empathy, Calmness, and Kindness

    by John Campbell

    • Price$0
    • Reviews-
    • Published2026-05

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does John Campbell have on Amazon?

KDPTop tracks 13 of their books; 12 made an Amazon list in the last 30 days.

Which categories does John Campbell publish in?

Their books chart most often in Teams, Leadership, Home Schooling.

How does John Campbell price their books?

The median price is $42.49; half of the books cost $17.49–$66.48.

Has John Campbell released new books recently?

4 new books in the last 30 days, 1 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.