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Gregory D. Hensley: Amazon KDP author data

Gregory D. Hensley has 11 books on Amazon, 7 of them on a best-seller list in the last 30 days (best rank #3), mostly in Industrial, Manufacturing & Operational Systems, Mechanical, Machinery.

11Books on Amazon
7Listed in 30 days
4.8Average rating
Median price$41.05
Price range (middle 50%)$30.99 – $42.77
Median reviews4
Total reviews83
New books (30 days)7
Breakout books (30 days)7

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What stands out

  • 64% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
  • Median price $41.05, 129% above the median of their main category, Industrial, Manufacturing & Operational Systems.
  • 7 new books in the last 30 days, 7 of them broke into a Best Sellers list.

Gregory D. Hensley's best-ranked books

  1. Industrial Electricity and Motor Controls: A Field Manual — NEC-Based Wiring, Control Circ book cover by Gregory D. Hensley

    Industrial Electricity and Motor Controls: A Field Manual — NEC-Based Wiring, Control Circuits, PLCs, VFDs, and Troubleshooting for Electricians and Maintenance Technicians

    by Gregory D. Hensley

    • Price$42.08
    • Rating4.4
    • Reviews19

    View on Amazon · Full data on KDPTop

  2. Introduction to Robotics Engineering: An Illustrated Guide to Mechanisms, Sensors, Motors, book cover by Gregory D. Hensley

    Introduction to Robotics Engineering: An Illustrated Guide to Mechanisms, Sensors, Motors, and Control Systems for Beginners, Students, and Hobbyists

    by Gregory D. Hensley

    • Price$59.99
    • Rating5.0
    • Reviews4

    View on Amazon · Full data on KDPTop

  3. Print Reading Handbook for Electricians: A Complete Blueprint Reading Guide to Plans, One- book cover by Gregory D. Hensley

    Print Reading Handbook for Electricians: A Complete Blueprint Reading Guide to Plans, One-Line Diagrams, Panel Schedules, Motor Control, Schematics & Symbols — Field Edition 2026

    by Gregory D. Hensley

    • Price$44.27
    • Rating5.0
    • Reviews2

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  4. Mastering Industrial Electrical Schematics: A Complete Guide to Electrical Symbols, Wiring book cover by Gregory D. Hensley

    Mastering Industrial Electrical Schematics: A Complete Guide to Electrical Symbols, Wiring Diagrams, Ladder Diagrams, Motor Control Circuits, PLC Systems, and Industrial Automation

    by Gregory D. Hensley

    • Price$36.99
    • Rating4.8
    • Reviews15

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  5. Mastering Industrial Electrical Schematics: A Complete Guide to Electrical Symbols, Wiring book cover by Gregory D. Hensley

    Mastering Industrial Electrical Schematics: A Complete Guide to Electrical Symbols, Wiring Diagrams, Ladder Diagrams, Motor Control Circuits, PLC Systems, and Industrial Automation

    by Gregory D. Hensley

    • Price$12.99
    • Rating4.8
    • Reviews15

    View on Amazon · Full data on KDPTop

  6. Introduction to Robotics Engineering: An Illustrated Guide to Mechanisms, Sensors, Motors, book cover by Gregory D. Hensley

    Introduction to Robotics Engineering: An Illustrated Guide to Mechanisms, Sensors, Motors, and Control Systems for Beginners, Students, and Hobbyists

    by Gregory D. Hensley

    • Price$28.99
    • Rating5.0
    • Reviews4
    • Published2026-09

    View on Amazon · Full data on KDPTop

  7. Industrial Electricity and Motor Controls: A Field Manual — NEC-Based Wiring, Control Circ book cover by Gregory D. Hensley

    Industrial Electricity and Motor Controls: A Field Manual — NEC-Based Wiring, Control Circuits, PLCs, VFDs, and Troubleshooting for Electricians and Maintenance Technicians

    by Gregory D. Hensley

    • Price$42.10
    • Rating4.4
    • Reviews19

    View on Amazon · Full data on KDPTop

  8. Residential Load Calculation Handbook: Step-by-Step Manual J Heating & Cooling Load Calcul book cover by Gregory D. Hensley

    Residential Load Calculation Handbook: Step-by-Step Manual J Heating & Cooling Load Calculations, HVAC Equipment Sizing, Room-by-Room Analysis, & Residential Design with Illustrated Worked Examples

    by Gregory D. Hensley

    • Price$25.99
    • Rating5.0
    • Reviews2
    • Published2026-10

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  9. Print Reading Handbook for Electricians: A Complete Blueprint Reading Guide to Plans, One- book cover by Gregory D. Hensley

    Print Reading Handbook for Electricians: A Complete Blueprint Reading Guide to Plans, One-Line Diagrams, Panel Schedules, Motor Control, Schematics & Symbols — Field Edition 2026

    by Gregory D. Hensley

    • Price$42.99
    • Rating5.0
    • Reviews2
    • Published2026-09

    View on Amazon · Full data on KDPTop

  10. The Complete Structural Steel Design Handbook: A Practical Guide to AISC 360-22, Building  book cover by Gregory D. Hensley

    The Complete Structural Steel Design Handbook: A Practical Guide to AISC 360-22, Building Design, Load Analysis, Beams, Columns, Connections, LRFD, ASD, Step-by-Step Calculations, and Worked Examples

    by Gregory D. Hensley

    • Price-
    • Rating5.0
    • Reviews1
    • Published2026-10

    View on Amazon · Full data on KDPTop

Main categories

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.