KDP categories · Top KDP authors
John Helmer: Amazon KDP author data
As of Nov 6, 2026, John Helmer has 20 books on Amazon, 3 of them on a best-seller list in the last 30 days (best rank #1), mostly in Ideologies & Doctrines, Podcasts & Webcasts, Internet & Social Media.
| Median price | $20 |
|---|---|
| Price range (middle 50%) | $18.96 – $30 |
| Median reviews | 4 |
| Total reviews | 115 |
| New listings (30 days, incl. new editions) | 3 |
| Breakout books (30 days) | 3 |
What stands out
- Only 15% of the catalog charted in the last 30 days; sales rest on a few titles.
- Median price $20, 24% above the median of their main category, Ideologies & Doctrines.
- 3 new listings in the last 30 days (new editions included), 3 of them broke into a Best Sellers list.
John Helmer's best-ranked books
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Stand and Deliver: The History of Podcast Journalism
by John Helmer
- Price$26.53
- Reviews-
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Stand and Deliver: The History of Podcast Journalism
by John Helmer
- Price$35
- Reviews-
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Stand and Deliver: The History of Podcast Journalism
by John Helmer
- Price$25
- Reviews-
-
Skripal In Prison
by John Helmer
- Price$12
- Rating4.7
- Reviews30
- Published2020-02
-
The Man Who Knows Too Much About Russia
by John Helmer
- Price$12
- Rating4.4
- Reviews28
- Published2018-12
-
Long Live Novichok!: The British poison which fooled the world
by John Helmer
- Price$20
- Rating4.7
- Reviews25
- Published2025-01
-
The Lie That Shot Down MH17
by John Helmer
- Price$15
- Rating4.5
- Reviews17
- Published2020-09
-
The Complete Dances With Bears Comic
by John Helmer
- Price$20
- Rating5.0
- Reviews6
- Published2021-09
-
The Jackals' Wedding: American Power, Arab Revolt
by John Helmer
- Price$20
- Rating5.0
- Reviews3
- Published2022-02
-
Hitler didn't die in Berlin - he moved to Melbourne where he runs the State Government of Victoria: A true COVID-19 thriller
by John Helmer
- Price$12
- Rating5.0
- Reviews2
- Published2021-02
Main categories
FAQ
How many books does John Helmer have on Amazon?
KDPTop tracks 20 of their books; 3 made an Amazon list in the last 30 days.
Which categories does John Helmer publish in?
Their books chart most often in Ideologies & Doctrines, Podcasts & Webcasts, Internet & Social Media.
How does John Helmer price their books?
The median price is $20; half of the books cost $18.96–$30.
Has John Helmer released new books recently?
3 new books in the last 30 days, 3 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.