KDP categories · Top KDP authors
Zachary Schrag: Amazon KDP author data
As of Nov 6, 2026, Zachary Schrag has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #14), mostly in Research, Slavery & Emancipation, Reference.
| Median price | $17.12 |
|---|---|
| Price range (middle 50%) | $16.65 – $17.60 |
| Median reviews | 163 |
| Total reviews | 326 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
Zachary Schrag's best-ranked books
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The Princeton Guide to Historical Research (Skills for Scholars)
by Zachary Schrag
- Price$16.17
- Rating4.8
- Reviews163
-
The Princeton Guide to Historical Research (Skills for Scholars)
by Zachary Schrag
- Price$18.08
- Rating4.8
- Reviews163
- Published2021-04
Main categories
FAQ
How many books does Zachary Schrag have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Zachary Schrag publish in?
Their books chart most often in Research, Slavery & Emancipation, Reference.
How does Zachary Schrag price their books?
The median price is $17.12; half of the books cost $16.65–$17.60.
Has Zachary Schrag released new books recently?
0 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.