KDP categories · Top KDP authors
Mark P. Block: Amazon KDP author data
As of Nov 6, 2026, Mark P. Block has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #1), mostly in Marbles, Jewelry, Toys.
| Median price | $45.22 |
|---|---|
| Price range (middle 50%) | $29.99 – $51.14 |
| Median reviews | 7 |
| Total reviews | 88 |
| New books (30 days) | 2 |
| 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.
- Median price $45.22, 111% above the median of their main category, Marbles.
Mark P. Block's best-ranked books
-
Contemporary Marbles: Art and Artisans of the 21st Century
by Mark P. Block
- Price$51.14
- Rating4.0
- Reviews1
-
Contemporary Marbles: Art and Artisans of the 21st Century
by Mark P. Block
- Price$2.99
- Rating4.0
- Reviews1
- Published2026-10
-
Turquoise Mines, Minerals, and Wearable Art, 2nd Edition
by Mark P. Block
- Price$29.99
- Rating4.7
- Reviews50
-
Contemporary Marbles & Related Art Glass (A Schiffer Book for Collectors)
by Mark P. Block
- Price$45.22
- Rating4.6
- Reviews7
-
The Encyclopedia of Modern Marbles, Spheres, and Orbs (Schiffer Book for Collectors with Value Guide)
by Mark P. Block
- Price$50.24
- Rating4.5
- Reviews7
-
Turquoise: Mines, Mineral, & Wearable Art
by Mark P. Block
- Price-
- Rating4.6
- Reviews22
Main categories
FAQ
How many books does Mark P. Block have on Amazon?
KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Mark P. Block publish in?
Their books chart most often in Marbles, Jewelry, Toys.
How does Mark P. Block price their books?
The median price is $45.22; half of the books cost $29.99–$51.14.
Has Mark P. Block released new books recently?
2 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.