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Richard Campbell: Amazon KDP author data
As of Nov 6, 2026, Richard Campbell has 5 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #3), mostly in Manufacturing, 3D Graphics, 3D Printing.
| Median price | $24.99 |
|---|---|
| Price range (middle 50%) | $19.99 – $24.99 |
| Median reviews | 13 |
| Total reviews | 13 |
| New books (30 days) | 4 |
| Breakout books (30 days) | 2 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- 4 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Richard Campbell's best-ranked books
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The Concise Legal Dictionary: 1000 Legal Terms You Need to Know
by Richard Campbell
- Price$2.99
- Rating4.4
- Reviews13
-
3D Printing with Fusion 360: A Hands-On Guide to 3D Modeling, Design for Additive Manufacturing, Print Preparation, and Building Practical Projects (The Inventors & Maker's Workshop Series)
by Richard Campbell
- Price$19.99
- Reviews-
-
Mastering Rhino 3D and Grasshopper for Inventors and Makers: A Hands-On Guide to 3D Modeling, Parametric Design, Grasshopper Workflows, Computational ... (The Inventors & Maker's Workshop Series)
by Richard Campbell
- Price$37.99
- Reviews-
-
LibreCAD for Inventors and Makers: A Practical Guide to 2D CAD, Technical Drafting, Mechanical Design, Dimensioning, and Digital Fabrication (The Inventors & Maker's Workshop Series)
by Richard Campbell
- Price$24.99
- Reviews-
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Mastering the Lathe: A Practical Guide to Machine Setup, Turning, Facing, Boring, Threading, Tool Selection, Precision Measurements, and Workshop Safety (The Inventors & Maker's Workshop Series)
by Richard Campbell
- Price$24.99
- Reviews-
Main categories
FAQ
How many books does Richard Campbell have on Amazon?
KDPTop tracks 5 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Richard Campbell publish in?
Their books chart most often in Manufacturing, 3D Graphics, 3D Printing.
How does Richard Campbell price their books?
The median price is $24.99; half of the books cost $19.99–$24.99.
Has Richard Campbell released new books recently?
4 new books in the last 30 days, 2 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.