KDP categories · Top KDP authors
Ethan R Calloway: Amazon KDP author data
As of Nov 6, 2026, Ethan R Calloway has 12 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #25), mostly in 3D Printing, Manufacturing, Maintenance, Repair & Upgrading.
| Median price | $16.99 |
|---|---|
| Price range (middle 50%) | $10.99 – $23.99 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 8 |
| Breakout books (30 days) | 5 |
What stands out
- 67% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $16.99, 19% below the median of their main category, 3D Printing.
- 8 new books in the last 30 days, 5 of them broke into a Best Sellers list.
Ethan R Calloway's best-ranked books
-
BAMBU LAB H2C: THE COMPLETE GUIDE: From First Setup to Advanced Multi-Material 3D Printing, Calibration, Slicer Settings, Maintenance, Vortek Hotends, and Troubleshooting
by Ethan R Calloway
- Price$23.99
- Reviews-
-
Clinical Neuroradiology Mastery 2026-2027: The 14-Day Interpretation & Reporting Intensive: 4-in-1 Advanced Textbook, Case Atlas, Reporting Handbook & Board Review with 20 Companion Video Tutorials
by Ethan R Calloway
- Price$89.99
- Reviews-
- Published2026-08
-
BAMBU LAB H2C: THE COMPLETE GUIDE: From First Setup to Advanced Multi-Material 3D Printing, Calibration, Slicer Settings, Maintenance, Vortek Hotends, and Troubleshooting
by Ethan R Calloway
- Price$10.99
- Reviews-
- Published2026-10
-
MASTERING CREALITY K2 PRO COMBO 3D PRINTER: A Practical Step-by-Step Guide to Setup, Multi-Color 3D Printing, Slicer Settings, Materials, Calibration, Maintenance, Troubleshooting & Projects
by Ethan R Calloway
- Price$10.99
- Reviews-
-
MASTERING CREALITY K2 PRO COMBO 3D PRINTER: A Practical Step-by-Step Guide to Setup, Multi-Color 3D Printing, Slicer Settings, Materials, Calibration, Maintenance, Troubleshooting & Projects
by Ethan R Calloway
- Price$22.99
- Reviews-
-
MASTERING VCARVE PRO: From Beginner to Advanced: A Practical Guide to CNC Design, Toolpaths, V-Carving, Engraving, Sign Making, Relief Carving, and Professional Woodworking Projects
by Ethan R Calloway
- Price$22.99
- Reviews-
-
MASTERING VCARVE PRO: From Beginner to Advanced: A Practical Guide to CNC Design, Toolpaths, V-Carving, Engraving, Sign Making, Relief Carving, and Professional Woodworking Projects
by Ethan R Calloway
- Price$10.99
- Reviews-
- Published2026-10
-
Clinical Neuroradiology Mastery 2026-2027: The 14-Day Interpretation & Reporting Intensive: 4-in-1 Advanced Textbook, Case Atlas, Reporting Handbook & Board Review with 20 Companion Video Tutorials
by Ethan R Calloway
- Price$99.96
- Reviews-
-
SINGER 4411 HEAVY DUTY SEWING MACHINE COMPLETE GUIDE FOR BEGINNERS: Step-by-Step Guide to Setup, Threading, Stitching, Presser Feet, Fabric Selection, Maintenance, Troubleshooting and Sewing Projects
by Ethan R Calloway
- Price$10.99
- Reviews-
- Published2026-10
-
BROTHER SE700 SEWING EMBROIDERY MACHINE COMPLETE GUIDE FOR BEGINNERS: Step-by-Step Guide to Setup, Threading, Hooping, Stitching, Embroidery Designs, Wireless Transfer, Troubleshooting & Maintenance
by Ethan R Calloway
- Price$23.99
- Reviews-
Main categories
FAQ
How many books does Ethan R Calloway have on Amazon?
KDPTop tracks 12 of their books; 8 made an Amazon list in the last 30 days.
Which categories does Ethan R Calloway publish in?
Their books chart most often in 3D Printing, Manufacturing, Maintenance, Repair & Upgrading.
How does Ethan R Calloway price their books?
The median price is $16.99; half of the books cost $10.99–$23.99.
Has Ethan R Calloway released new books recently?
8 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.