KDP categories · Top KDP authors
T.R. Harris: Amazon KDP author data
T.R. Harris has 8 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #24), mostly in Genetic Engineering, Alien Invasion, Space Marine.
8Books on Amazon
6Listed in 30 days
4.6Average rating
| Median price | $4.99 |
|---|---|
| Price range (middle 50%) | $4.99 – $4.99 |
| Median reviews | 54 |
| Total reviews | 950 |
| New books (30 days) | 6 |
| Breakout books (30 days) | 1 |
What stands out
- 75% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- 6 new books in the last 30 days, 1 of them broke into a Best Sellers list.
T.R. Harris's best-ranked books
-
Human for Hire #17 -- Collateral Damage Included: An Adam Cain adventure
by T.R. Harris
- Price$5.99
- Rating4.6
- Reviews70
-
REV: REV Warriors Series Book 1
by T.R. Harris
- Price$0
- Rating4.4
- Reviews716
-
REV Warriors: A Military Sci-Fi Adventure
by T.R. Harris
- Price$3.99
- Rating4.3
- Reviews85
-
REV Warriors 2: A Military Sci-Fi Adventure
by T.R. Harris
- Price$4.99
- Rating4.5
- Reviews37
-
REV Warriors 3: A Military Sci-Fi Adventure
by T.R. Harris
- Price$4.99
- Rating4.8
- Reviews23
-
REV Warriors 4: A Military Sci-Fi Adventure
by T.R. Harris
- Price$4.99
- Rating4.8
- Reviews19
-
REV Warriors 5: A Military Sci-Fi Adventure
by T.R. Harris
- Price$4.99
- Reviews-
-
REV Warriors 6: A Military Sci-Fi Adventure
by T.R. Harris
- Price$4.99
- Reviews-
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.