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Andrew Gregory: Amazon KDP author data

As of Nov 6, 2026, Andrew Gregory has 70 books on Amazon, 9 of them on a best-seller list in the last 30 days (best rank #2), mostly in Physics, Science & Mathematics, Mechanics.

70Books on Amazon
9Listed in 30 days
3.5Average rating
Median price$23.42
Price range (middle 50%)$18.51 – $27.41
Median reviews4
Total reviews467
New listings (30 days, incl. new editions)7
Breakout books (30 days)6

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What stands out

  • Only 13% of the catalog charted in the last 30 days; sales rest on a few titles.
  • Median price $23.42, 48% above the median of their main category, Physics.
  • 7 new listings in the last 30 days (new editions included), 6 of them broke into a Best Sellers list.

Andrew Gregory's best-ranked books

  1. Small Engine Repair Made Simple: Fix Your Own Lawn Mower, Chainsaw, Trimmer, Generator and book cover by Andrew Gregory

    Small Engine Repair Made Simple: Fix Your Own Lawn Mower, Chainsaw, Trimmer, Generator and Snowblower — Step-by-Step Illustrated Repairs, Troubleshooting Flowcharts and Seasonal Maintenance Checklists

    by Andrew Gregory

    • Price$24.99
    • Rating5.0
    • Reviews2

    View on Amazon · Full data on KDPTop

  2. Quantum Physics Made Clear: Volume 1, The Quantum World and Its Mathematics: Light, Matter book cover by Andrew Gregory

    Quantum Physics Made Clear: Volume 1, The Quantum World and Its Mathematics: Light, Matter Waves, the Double-Slit Experiment, and the Wave Function, with Worked Examples and Practice Problems

    by Andrew Gregory

    • Price$24.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  3. Quantum Physics Made Clear: Volume 2, Quantum Mechanics in Action: Schrödinger's Equation, book cover by Andrew Gregory

    Quantum Physics Made Clear: Volume 2, Quantum Mechanics in Action: Schrödinger's Equation, Tunneling, the Harmonic Oscillator, Uncertainty, and Spin, with Worked Examples and Practice Problems

    by Andrew Gregory

    • Price$22.99
    • Reviews-
    • Published2026-10

    View on Amazon · Full data on KDPTop

  4. How to Read Electrical Schematics and Wiring Diagrams: 160+ Diagrams of Real Residential,  book cover by Andrew Gregory

    How to Read Electrical Schematics and Wiring Diagrams: 160+ Diagrams of Real Residential, Commercial and Industrial Circuits — Symbols, Ladder Logic, ... Troubleshooting Exercises (2026 NEC Edition)

    by Andrew Gregory

    • Price$23.74
    • Reviews-

    View on Amazon · Full data on KDPTop

  5. Colours of Australia: Photography by Andrew Gregory book cover by Andrew Gregory

    Colours of Australia: Photography by Andrew Gregory

    by Andrew Gregory

    • Price-
    • Reviews-

    View on Amazon · Full data on KDPTop

  6. Choral Evensong: A User's Guide book cover by Andrew Gregory

    Choral Evensong: A User's Guide

    by Andrew Gregory

    • Price$17.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  7. Math that clicks: A Visual Step-by-Step Guide to Algebra, Geometry, Trigonometry, Precalcu book cover by Andrew Gregory

    Math that clicks: A Visual Step-by-Step Guide to Algebra, Geometry, Trigonometry, Precalculus & Calculus: Made Simple for High School and College Students

    by Andrew Gregory

    • Price$24.90
    • Rating5.0
    • Reviews1

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  8. Math in Plain Sight: A Visual Guide for Adults Who Want to Understand Why the Rules Work,  book cover by Andrew Gregory

    Math in Plain Sight: A Visual Guide for Adults Who Want to Understand Why the Rules Work, from Counting to First Calculus

    by Andrew Gregory

    • Price$29.99
    • Reviews-

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  9. Timaeus and Critias (Oxford World's Classics) book cover by Andrew Gregory

    Timaeus and Critias (Oxford World's Classics)

    by Andrew Gregory

    • Price-
    • Rating4.7
    • Reviews192
    • Published2008-11

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  10. Elettronica Dalla Base alla Complessità: Guida Definitiva per Apprendere & Dominare Circui book cover by Andrew Gregory

    Elettronica Dalla Base alla Complessità: Guida Definitiva per Apprendere & Dominare Circuiti, Componenti e Progetti | Passo Dopo Passo per Principianti ed Esperti (Italian Edition)

    by Andrew Gregory

    • Price$21.03
    • Rating3.2
    • Reviews27
    • Published2023-03

    View on Amazon · Full data on KDPTop

Main categories

FAQ

How many books does Andrew Gregory have on Amazon?

KDPTop tracks 70 of their books; 9 made an Amazon list in the last 30 days.

Which categories does Andrew Gregory publish in?

Their books chart most often in Physics, Science & Mathematics, Mechanics.

How does Andrew Gregory price their books?

The median price is $23.42; half of the books cost $18.51–$27.41.

Has Andrew Gregory released new books recently?

7 new books in the last 30 days, 6 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.