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Michael Konshak: Amazon KDP author data
As of Nov 6, 2026, Michael Konshak has 12 books on Amazon, 12 of them on a best-seller list in the last 30 days (best rank #1), mostly in Catalogs, Reference, Antiques Care & Reference.
| Median price | $8.99 |
|---|---|
| Price range (middle 50%) | $7.95 – $19.95 |
| Median reviews | 4 |
| Total reviews | 62 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 0 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $8.99, 30% above the median of their main category, Catalogs.
- 3 new books in the last 30 days.
Michael Konshak's best-ranked books
-
ELECTRONIC SLIDE RULE CALCULATORS 1972-1979: A Catalog of What Killed an Industry
by Michael Konshak
- Price$14.45
- Rating4.0
- Reviews9
-
Pickett Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 3 (Slide Rule Instructions Library)
by Michael Konshak
- Price$7.95
- Rating3.9
- Reviews16
-
Pickett II Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 29 (Slide Rule Instructions Library)
by Michael Konshak
- Price$7.95
- Rating4.7
- Reviews3
-
Japanese OEM Slide Rule Instructions (Annotated) : International Slide Rule Museum Library Reprints - Volume 6 (Slide Rule Instructions Library)
by Michael Konshak
- Price$7.95
- Rating5.0
- Reviews4
-
Hemmi Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 1 (Slide Rule Instructions Library)
by Michael Konshak
- Price$7.99
- Rating4.1
- Reviews8
-
THE COMPASS, A K&E Monthly Journal Part Two 1893-1894: ISRM Library Reprints Volume 38 (Slide Rule Instructions Library)
by Michael Konshak
- Price$5.95
- Rating5.0
- Reviews1
-
THE COMPASS, A K&E Monthly Journal Part One 1891-1892: ISRM Library Reprints - Volume 37 (Slide Rule Instructions Library)
by Michael Konshak
- Price$5.95
- Rating5.0
- Reviews1
-
Japanese OEM Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 6 (Slide Rule Instructions Library)
by Michael Konshak
- Price$19.95
- Rating5.0
- Reviews4
-
Pickett Slide Rule Instructions (Annotated): International Slide Rule Museum Library Reprints - Volume 3 (Slide Rule Instructions Library)
by Michael Konshak
- Price$19.95
- Rating3.9
- Reviews16
-
CONTINENTAL DIVIDE GOLF TRAIL: 88 ROUNDS: DESERTS TO GLACIERS
by Michael Konshak
- Price$19.95
- Reviews-
- Published2026-10
Main categories
FAQ
How many books does Michael Konshak have on Amazon?
KDPTop tracks 12 of their books; 12 made an Amazon list in the last 30 days.
Which categories does Michael Konshak publish in?
Their books chart most often in Catalogs, Reference, Antiques Care & Reference.
How does Michael Konshak price their books?
The median price is $8.99; half of the books cost $7.95–$19.95.
Has Michael Konshak released new books recently?
3 new books 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.