KDP categories · Top KDP authors
Tubal Cain: Amazon KDP author data
As of Nov 6, 2026, Tubal Cain has 11 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #2), mostly in Metallurgy, Metal Work, Machinery.
| Median price | $12.99 |
|---|---|
| Price range (middle 50%) | $9.99 – $14.53 |
| Median reviews | 41 |
| Total reviews | 413 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- 91% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $12.99, 47% below the median of their main category, Metallurgy.
Tubal Cain's best-ranked books
-
Soldering and Brazing Handbook for Home Machinists: Practical Information and Useful Exercises for the Small Shop (Fox Chapel Publishing) Metalworking - Learn Efficient, Affordable Ways to Join Metal
by Tubal Cain
- Price$11.99
- Rating4.1
- Reviews41
-
Soldering and Brazing Handbook for Home Machinists: Practical Information and Useful Exercises for the Small Shop
by Tubal Cain
- Price$9.99
- Rating4.1
- Reviews41
-
Hardening, Tempering, and Heat Treatment for Home Machinists (Fox Chapel Publishing) Every Aspect of Working with Steel for Metalworking or Blacksmithing in Your Small Shop (Workshop Practice)
by Tubal Cain
- Price$14.99
- Rating3.6
- Reviews4
-
Spring Design and Manufacture for Home Machinists (Fox Chapel Publishing) How to Make Perfectly Working Springs in Your Small Shop - Everything Metalworkers Need to Know (Workshop Practice)
by Tubal Cain
- Price$14.99
- Rating5.0
- Reviews3
-
Hardening, Tempering, and Heat Treatment for Home Machinists
by Tubal Cain
- Price$9.99
- Rating3.6
- Reviews4
-
Metalworking for Home Machinists: 53 Practical Projects to Build Yourself (Fox Chapel Publishing) How to Make Clamps, Vices, Jigs, Fixtures, Lathe Projects, & Other Ancillary Devices for Your Workshop
by Tubal Cain
- Price$12.99
- Rating4.4
- Reviews102
-
Workholding in the Lathe for Home Machinists: Workshop Practice Series (Fox Chapel Publishing) Everything Metalworkers Need to Know to Hold Any Workpiece Securely
by Tubal Cain
- Price$14.07
- Reviews-
-
Metalworking for Home Machinists: 53 Practical Projects to Build Yourself
by Tubal Cain
- Price$9.99
- Rating4.4
- Reviews102
-
Workholding in the Lathe for Home Machinists: Workshop Practice Series
by Tubal Cain
- Price$9.99
- Reviews-
-
Milling Operations in the Lathe
by Tubal Cain
- Price$13.99
- Rating4.4
- Reviews116
- Published1998-01
Main categories
FAQ
How many books does Tubal Cain have on Amazon?
KDPTop tracks 11 of their books; 10 made an Amazon list in the last 30 days.
Which categories does Tubal Cain publish in?
Their books chart most often in Metallurgy, Metal Work, Machinery.
How does Tubal Cain price their books?
The median price is $12.99; half of the books cost $9.99–$14.53.
Has Tubal Cain released new books recently?
1 new book in the last 30 days.
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.