KDP categories · Top KDP authors
Robert Hardman: Amazon KDP author data
As of Nov 6, 2026, Robert Hardman has 45 books on Amazon, 26 of them on a best-seller list in the last 30 days (best rank #35), mostly in History, Aviation, Commercial.
| Median price | $14.04 |
|---|---|
| Price range (middle 50%) | $5.99 – $23.12 |
| Median reviews | 38 |
| Total reviews | 6,703 |
| New books (30 days) | 9 |
| Breakout books (30 days) | 2 |
What stands out
- 58% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $14.04, 30% below the median of their main category, History.
- 9 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Robert Hardman's best-ranked books
-
The Making of a King: King Charles III and the Modern Monarchy
by Robert Hardman
- Price$13.99
- Rating4.4
- Reviews358
-
Elizabeth II: In Private. In Public. Her Story.
by Robert Hardman
- Price$19.99
- Rating4.6
- Reviews270
-
The Boeing 777: Engineering, Airlines, and the Story of the World’s Most Successful Long-Haul Jet (Legends of Flight)
by Robert Hardman
- Price$4.99
- Rating2.5
- Reviews2
-
Elizabeth II: In Private. In Public. Her Story.
by Robert Hardman
- Price$19.59
- Rating4.6
- Reviews272
- Published2026-04
-
F-22 vs F-35: The Ultimate Air Dominance Showdown: Inside America’s Most Advanced Stealth Fighters—Technology, Power, and the Future of Air Combat (Fighter Jet Legends)
by Robert Hardman
- Price$4.99
- Rating3.0
- Reviews1
-
F-22 Raptor : Stealth, Supercruise, Air Dominance, and the Story of America’s Most Exclusive Fighter (Fighter Jet Legends)
by Robert Hardman
- Price$5.99
- Reviews-
-
The Making of a King: King Charles III and the Modern Monarchy
by Robert Hardman
- Price$8.73
- Rating4.4
- Reviews358
-
The Boeing 737: Airlines, Low-Cost Carriers, the MAX, and the Story of the Jet That Built Modern Short-Haul Flying (Legends of Flight)
by Robert Hardman
- Price$5.99
- Rating3.8
- Reviews3
-
The Airbus A350 : Carbon-Fiber Design, Ultra-Long-Range Operations, and the Story of Airbus’s New-Generation Widebody (Legends of Flight)
by Robert Hardman
- Price$5.99
- Rating4.6
- Reviews3
-
The Boeing 787 Dreamliner: Composite Innovation, Airlines, and the Story of the Aircraft That Reinvented Long-Haul Travel (Legends of Flight)
by Robert Hardman
- Price$14.99
- Rating5.0
- Reviews2
Main categories
FAQ
How many books does Robert Hardman have on Amazon?
KDPTop tracks 45 of their books; 26 made an Amazon list in the last 30 days.
Which categories does Robert Hardman publish in?
Their books chart most often in History, Aviation, Commercial.
How does Robert Hardman price their books?
The median price is $14.04; half of the books cost $5.99–$23.12.
Has Robert Hardman released new books recently?
9 new books in the last 30 days, 2 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.