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Roland K Ashworth: Amazon KDP author data
As of Nov 6, 2026, Roland K Ashworth has 17 books on Amazon, 14 of them on a best-seller list in the last 30 days (best rank #7), mostly in Mechanics, Aeronautical Engineering, Propulsion Technology.
| Median price | $63.87 |
|---|---|
| Price range (middle 50%) | $52 – $80.24 |
| Median reviews | 2 |
| Total reviews | 45 |
| New listings (30 days, incl. new editions) | 9 |
| Breakout books (30 days) | 5 |
What stands out
- 82% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $63.87, 55% above the median of their main category, Mechanics.
- 9 new listings in the last 30 days (new editions included), 5 of them broke into a Best Sellers list.
Roland K Ashworth's best-ranked books
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ROCKET PROPULSION FUNDAMENTALS 2026: Engine Design, Combustion, and Thrust Systems for Aerospace Engineers (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$79.99
- Rating5.0
- Reviews2
-
TEXTBOOK OF AEROSPACE ENGINEERING: A Complete Guide to Flight, Propulsion, and Spacecraft Systems (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$119
- Rating5.0
- Reviews5
-
AN ILLUSTRATED INTRODUCTION TO ROBOTICS ENGINEERING: A Beginner's Guide to Mechanisms, Sensors, and Control Systems (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$60
- Rating5.0
- Reviews3
-
OSHA CONSTRUCTION INDUSTRY REGULATIONS & STANDARDS MANUAL: A Complete Compliance Field Reference to 29 CFR 1926 — Hazard Control, Inspection ... Management (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$39.99
- Rating5.0
- Reviews2
-
AN ILLUSTRATED INTRODUCTION TO ORBITAL MECHANICS FOR ENGINEERS: A Practical Guide to Satellite Motion, Launch, and Mission Planning (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$54.27
- Rating4.0
- Reviews5
-
An Illustrated Introduction To Fluid Mechanics: A Visual Foundation for Understanding Flow, Pressure, and Motion in Liquids and Gases (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$59.42
- Rating3.0
- Reviews2
-
ILLUSTRATED AVIATION MAINTENANCE TECHNICIAN MANUAL: A Comprehensive Field and Reference Guide to Airframe, Powerplant, and Systems Maintenance Practice (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$33.79
- Rating5.0
- Reviews1
-
PRINT READING HANDBOOK FOR ELECTRICIANS 2026: Master Blueprints, Schematics, One-Line Diagrams, Panel Schedules, and Symbols with 2026 Electrical ... (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$66.03
- Rating5.0
- Reviews2
-
ILLUSTRATED INDUSTRIAL ELECTRICITY AND MOTOR CONTROLS HANDBOOK: A Practical Reference for Electricians, Technicians, and Industrial Maintenance Engineers (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$75
- Rating5.0
- Reviews2
-
THE COMPREHENSIVE TEXTBOOK OF ELECTRICITY: A Complete Guide to Circuits, Fields, and Power Systems (The Ashworth Engineering Library)
by Roland K Ashworth
- Price$75.26
- Rating5.0
- Reviews3
- Published2026-07
Main categories
FAQ
How many books does Roland K Ashworth have on Amazon?
KDPTop tracks 17 of their books; 14 made an Amazon list in the last 30 days.
Which categories does Roland K Ashworth publish in?
Their books chart most often in Mechanics, Aeronautical Engineering, Propulsion Technology.
How does Roland K Ashworth price their books?
The median price is $63.87; half of the books cost $52–$80.24.
Has Roland K Ashworth released new books recently?
9 new books in the last 30 days, 5 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.