KDP categories · Top KDP authors
Stephen Walmsley: Amazon KDP author data
As of Nov 6, 2026, Stephen Walmsley has 22 books on Amazon, 21 of them on a best-seller list in the last 30 days (best rank #20), mostly in Air Travel, Avionics, Piloting & Flight Instruction.
| Median price | $14.75 |
|---|---|
| Price range (middle 50%) | $4.99 – $20.40 |
| Median reviews | 8 |
| Total reviews | 364 |
| New listings (30 days, incl. new editions) | 5 |
| Breakout books (30 days) | 0 |
What stands out
- 95% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $14.75, 120% above the median of their main category, Air Travel.
- 5 new listings in the last 30 days (new editions included).
Stephen Walmsley's best-ranked books
-
Advanced Flight Instruments for the Professional Pilot (Aviation Books Professional Pilot Series)
by Stephen Walmsley
- Price$21.99
- Rating4.7
- Reviews4
-
Flight Instruments for the Private Pilot (Aviation Books Private Pilot Series)
by Stephen Walmsley
- Price$19.99
- Rating4.7
- Reviews69
-
Aircraft Technical Knowledge for the Private Pilot (Aviation Books Private Pilot Series)
by Stephen Walmsley
- Price$21.99
- Rating4.4
- Reviews49
-
Airport Operations for the Professional Pilot (Aviation Books Professional Pilot Series)
by Stephen Walmsley
- Price$21.99
- Rating4.5
- Reviews17
-
The Student Pilot Manual Volume 2: Airframe, Systems, Engines and Instruments (The Student Pilot Manual Series)
by Stephen Walmsley
- Price$14.99
- Reviews-
-
Answers To Unusual Questions About Why Flying Is So Safe
by Stephen Walmsley
- Price$4.99
- Rating5.0
- Reviews3
-
Hard Lessons From Aviation Disasters (Answers to Unusual Questions)
by Stephen Walmsley
- Price$4.99
- Rating3.4
- Reviews4
-
How Do Pilots Talk On The Radio: A beginner's guide to the special pilot language (Kids Flight School Series)
by Stephen Walmsley
- Price$16.99
- Rating4.7
- Reviews8
-
Aviation Weather for the Private Pilot (Aviation Books Private Pilot Series)
by Stephen Walmsley
- Price$12.99
- Rating4.7
- Reviews75
-
Aircraft Engines for the Professional Pilot (Aviation Books Professional Pilot Series)
by Stephen Walmsley
- Price$20.54
- Rating4.1
- Reviews7
Main categories
FAQ
How many books does Stephen Walmsley have on Amazon?
KDPTop tracks 22 of their books; 21 made an Amazon list in the last 30 days.
Which categories does Stephen Walmsley publish in?
Their books chart most often in Air Travel, Avionics, Piloting & Flight Instruction.
How does Stephen Walmsley price their books?
The median price is $14.75; half of the books cost $4.99–$20.40.
Has Stephen Walmsley released new books recently?
5 new books in the last 30 days.
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.