KDP categories · Top KDP authors
Robert James Henderson: Amazon KDP author data
As of Nov 6, 2026, Robert James Henderson has 5 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #6), mostly in Travel, Italy, Satire.
| Median price | $2.99 |
|---|---|
| Price range (middle 50%) | $2.99 – $3.99 |
| Median reviews | 32 |
| Total reviews | 134 |
| New listings (30 days, incl. new editions) | 3 |
| Breakout books (30 days) | 1 |
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 $2.99, 78% below the median of their main category, Travel.
- 3 new listings in the last 30 days (new editions included), 1 of them broke into a Best Sellers list.
Robert James Henderson's best-ranked books
-
I Bought a Farm in Italy for the Price of a Used Lawnmower (And Other Terrible Decisions): The Diary of Bob Henderson, Retired
by Robert James Henderson
- Price$2.99
- Rating4.9
- Reviews44
-
I Bought a Farm in Italy for the Price of a Used Lawnmower (And Other Terrible Decisions): The Diary of Bob Henderson, Retired
by Robert James Henderson
- Price$3.99
- Rating4.9
- Reviews38
-
I Planned A Wedding In 40 Days: (Against My Own Advice) (The Diary of Bob Henderson, Retired Book 3)
by Robert James Henderson
- Price$2.99
- Reviews-
-
I Took a 22-Day Cruise That Lasted Three Months (And Other Navigational Errors): The Continued Diary of Bob Henderson, Retired (The Diary of Bob Henderson, Retired Book 2)
by Robert James Henderson
- Price$2.99
- Rating4.7
- Reviews27
- Published2026-09
-
I Took a 22-Day Cruise That Lasted Three Months (And Other Navigational Errors): The Continued Diary of Bob Henderson, Retired
by Robert James Henderson
- Price$3.99
- Rating4.7
- Reviews25
Main categories
FAQ
How many books does Robert James Henderson have on Amazon?
KDPTop tracks 5 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Robert James Henderson publish in?
Their books chart most often in Travel, Italy, Satire.
How does Robert James Henderson price their books?
The median price is $2.99; half of the books cost $2.99–$3.99.
Has Robert James Henderson released new books recently?
3 new books 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.