KDP categories · Top KDP authors
Henry P Winslow: Amazon KDP author data
As of Nov 6, 2026, Henry P Winslow has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #5), mostly in Astrophotography, Astronomy, Photography.
| Median price | $10.89 |
|---|---|
| Price range (middle 50%) | $10.21 – $20.65 |
| Median reviews | 1 |
| Total reviews | 2 |
| New listings (30 days, incl. new editions) | 6 |
| Breakout books (30 days) | 4 |
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 $10.89, 50% below the median of their main category, Astrophotography.
- 6 new listings in the last 30 days (new editions included), 4 of them broke into a Best Sellers list.
Henry P Winslow's best-ranked books
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Seestar S50 Pro Smart Telescope User Guide: A Step-by-Step Beginner’s Guide to Setup, Deep-Sky Astrophotography, EQ Mode, Live Stacking, Milky Way Imaging, Image Processing, and Troubleshooting
by Henry P Winslow
- Price$10.90
- Rating5.0
- Reviews1
- Published2026-09
-
Dwarf Mini Smart Telescope User Guide: A Practical Guide to Setup, App Control, Astrophotography, Smart Tracking, Deep-Sky Imaging, and Night Sky Exploration
by Henry P Winslow
- Price$10.88
- Reviews-
-
Seestar S50 Pro Smart Telescope User Guide: A Step-by-Step Beginner’s Guide to Setup, Deep-Sky Astrophotography, EQ Mode, Live Stacking, Milky Way Imaging, Image Processing, and Troubleshooting
by Henry P Winslow
- Price$23.90
- Rating5.0
- Reviews1
-
Seestar S30 Pro User Guide: A Complete Step-by-Step Guide to Setup, Smart Telescope Features, Astrophotography, Celestial Object Tracking, Performance Optimization, Troubleshooting, and Night Sky
by Henry P Winslow
- Price$9.50
- Reviews-
-
Seestar S30 Pro User Guide: A Complete Step-by-Step Guide to Setup, Smart Telescope Features, Astrophotography, Celestial Object Tracking, Performance Optimization, Troubleshooting, and Night Sky
by Henry P Winslow
- Price$24.50
- Reviews-
- Published2026-08
-
Canon EOS R6 Mark III Without the Confusion: A Practical Guide to Camera Setup, Advanced Autofocus, 40 fps Action, 7K Video, Custom Controls, and Confident Everyday Shooting
by Henry P Winslow
- Price$9.99
- Reviews-
- Published2026-09
Main categories
FAQ
How many books does Henry P Winslow have on Amazon?
KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Henry P Winslow publish in?
Their books chart most often in Astrophotography, Astronomy, Photography.
How does Henry P Winslow price their books?
The median price is $10.89; half of the books cost $10.21–$20.65.
Has Henry P Winslow released new books recently?
6 new books in the last 30 days, 4 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.