KDP categories · Top KDP authors
Gardiner Harris: Amazon KDP author data
As of Nov 6, 2026, Gardiner Harris has 4 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #1), mostly in Industries, Negocios y Economía, Sociedad y Ciencias Sociales.
| Median price | $18.69 |
|---|---|
| Price range (middle 50%) | $17.84 – $19.54 |
| Median reviews | 1,456 |
| Total reviews | 8,729 |
| New listings (30 days, incl. new editions) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- Amazon lists 2 author pages (separate Author IDs) under this name; this page combines them.
- Median price $18.69, 102% above the median of their main category, Industries.
Gardiner Harris's best-ranked books
-
No More Tears: The Dark Secrets of Johnson & Johnson
by Gardiner Harris
- Price$14.99
- Rating4.5
- Reviews2,909
- Published2025-04
-
No More Tears: The Dark Secrets of Johnson & Johnson
by Gardiner Harris
- Price$20.39
- Rating4.5
- Reviews2,909
-
No More Tears: The Dark Secrets of Johnson & Johnson
by Gardiner Harris
- Price$15.44
- Rating4.5
- Reviews2,908
-
No llores más: Los oscuros secretos de Johnson & Johnson | Harris nos aleja de la imagen de la empresa como la «compañía de los bebés», al desvelar pruebas ... de personas. (Ensayos) (Spanish Edition)
by Gardiner Harris
- Price$16.99
- Rating4.0
- Reviews3
- Published2026-08
Main categories
FAQ
How many books does Gardiner Harris have on Amazon?
KDPTop tracks 4 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Gardiner Harris publish in?
Their books chart most often in Industries, Negocios y Economía, Sociedad y Ciencias Sociales.
How does Gardiner Harris price their books?
The median price is $18.69; half of the books cost $17.84–$19.54.
Has Gardiner Harris released new books recently?
1 new book in the last 30 days, 1 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.