KDP categories · Top KDP authors
David R. Klein: Amazon KDP author data
As of Nov 6, 2026, David R. Klein has 18 books on Amazon, 18 of them on a best-seller list in the last 30 days (best rank #3), mostly in Organic, Chemistry, Science & Mathematics.
| Median price | $84.11 |
|---|---|
| Price range (middle 50%) | $54.95 – $126 |
| Median reviews | 67 |
| Total reviews | 3,565 |
| New books (30 days) | 0 |
| 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 $84.11, 212% above the median of their main category, Organic.
David R. Klein's best-ranked books
-
Organic Chemistry as a Second Language: First Semester Topics
by David R. Klein
- Price$76.22
- Rating4.8
- Reviews88
-
Organic Chemistry as a Second Language: First Semester Topics
by David R. Klein
- Price$43.95
- Rating4.8
- Reviews88
-
Organic Chemistry as a Second Language: Second Semester Topics
by David R. Klein
- Price$57.95
- Rating4.9
- Reviews67
-
Organic Chemistry as a Second Language: Second Semester Topics
by David R. Klein
- Price$43.95
- Rating4.9
- Reviews67
-
Organic Chemistry, 4th Edition
by David R. Klein
- Price$122
- Rating4.8
- Reviews12
-
Organic Chemistry, 5e Student Study Guide and Solutions Manual
by David R. Klein
- Price$54.95
- Rating4.0
- Reviews6
-
Organic Chemistry as a Second Language: First Semester Topics
by David R. Klein
- Price$72.50
- Rating4.7
- Reviews1,314
-
Organic Chemistry
by David R. Klein
- Price$122
- Rating3.9
- Reviews10
-
Organic Chemistry As a Second Language: Second Semester Topics
by David R. Klein
- Price$44.30
- Rating4.7
- Reviews326
-
Organic Chemistry As a Second Language: First Semester Topics
by David R. Klein
- Price-
- Rating4.6
- Reviews573
Main categories
FAQ
How many books does David R. Klein have on Amazon?
KDPTop tracks 18 of their books; 18 made an Amazon list in the last 30 days.
Which categories does David R. Klein publish in?
Their books chart most often in Organic, Chemistry, Science & Mathematics.
How does David R. Klein price their books?
The median price is $84.11; half of the books cost $54.95–$126.
Has David R. Klein 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.