KDP categories · Top KDP authors
David Theodore: Amazon KDP author data
David Theodore has 40 books on Amazon, 40 of them on a best-seller list in the last 30 days (best rank #1), mostly in Ceramics, Metals & Alloys, Graduate School.
40Books on Amazon
40Listed in 30 days
4.8Average rating
| Median price | $9.99 |
|---|---|
| Price range (middle 50%) | $9.99 – $9.99 |
| Median reviews | 10 |
| Total reviews | 1,390 |
| New books (30 days) | 2 |
| 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 $9.99, 68% below the median of their main category, Ceramics.
David Theodore's best-ranked books
-
Intro to Materials Science - Book 4: 380+ Questions & Answers
by David Theodore
- Price$9.99
- Rating4.4
- Reviews141
- Published2018-03
-
Materials Science - Book 9: 300+ Questions & Answers
by David Theodore
- Price$3.99
- Reviews-
-
Materials Characterization – Book 7: 250+ Questions & Answers
by David Theodore
- Price$4.99
- Rating5.0
- Reviews3
-
Materials Characterization – Book 8: 250+ Questions & Answers
by David Theodore
- Price$4.99
- Rating5.0
- Reviews3
-
Materials Characterization – Book 6: Questions & Answers
by David Theodore
- Price$7.99
- Rating5.0
- Reviews4
-
Intro to Materials Science - Book 3: 350+ Questions & Answers
by David Theodore
- Price$9.99
- Rating4.4
- Reviews139
-
Materials Science - Book 6: 440 Questions & Answers
by David Theodore
- Price$7.99
- Rating4.6
- Reviews111
-
Intro to Materials Science - Book 5: 310+ Questions & Answers
by David Theodore
- Price$9.99
- Rating4.4
- Reviews138
-
Hypersonic Materials Science 2: A University-Level Guide to Aerospace Materials for Mach 5+ Flight
by David Theodore
- Price$9.99
- Rating5.0
- Reviews10
-
Intro to Materials Science - Book 7: 250+ Multiple-Choice Questions & Answers
by David Theodore
- Price$7.99
- Rating4.5
- Reviews141
Main categories
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.