KDP categories · Top KDP authors
Ham Prep: Amazon KDP author data
As of Nov 6, 2026, Ham Prep has 5 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #2), mostly in Radio & Wireless, Test Preparation, Telecommunications.
| Median price | $7.99 |
|---|---|
| Price range (middle 50%) | $7.99 – $10.82 |
| Median reviews | 167 |
| Total reviews | 941 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
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 $7.99, 19% below the median of their main category, Radio & Wireless.
Ham Prep's best-ranked books
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The Ham Radio Prep Technician Class License Manual (2026 - 2030) (Ham Radio License Package Book 1)
by Ham Prep
- Price$7.99
- Rating4.9
- Reviews38
-
The Ham Radio Prep General Class License Manual (2023 - 2027) (Ham Radio License Package Book 2)
by Ham Prep
- Price$7.99
- Rating4.7
- Reviews285
-
The Ham Radio Prep Amateur Extra Class License Manual (2024 - 2028) (Ham Radio License Package Book 3)
by Ham Prep
- Price$7.99
- Rating4.6
- Reviews167
-
The Ham Radio Prep Amateur Extra Class License Manual (2024-2028)
by Ham Prep
- Price$12.80
- Rating4.6
- Reviews167
-
The Ham Radio Prep General Class License Manual (2023 - 2027)
by Ham Prep
- Price$10.82
- Rating4.7
- Reviews284
Main categories
FAQ
How many books does Ham Prep have on Amazon?
KDPTop tracks 5 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Ham Prep publish in?
Their books chart most often in Radio & Wireless, Test Preparation, Telecommunications.
How does Ham Prep price their books?
The median price is $7.99; half of the books cost $7.99–$10.82.
Has Ham Prep released new books recently?
0 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.