KDP categories · Top KDP authors
Kai Rannenberg: Amazon KDP author data
As of Nov 6, 2026, Kai Rannenberg has 3 books on Amazon, 2 of them on a best-seller list in the last 30 days, mostly in Security & Encryption, Systems Architecture, Encryption.
| Median price | $120 |
|---|---|
| Price range (middle 50%) | $120 – $120 |
| Median reviews | - |
| Total reviews | 0 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $120, 1101% above the median of their main category, Security & Encryption.
Kai Rannenberg's best-ranked books
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Privacy and Identity Management for Life
by Kai Rannenberg
- Price$120
- Reviews-
- Published2011-07
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Privacy Technologies and Policy: 14th Annual Privacy Forum, APF 2026, Salzburg, Austria, September 9–10, 2026, Proceedings (Lecture Notes in Computer Science Book 16847)
by Kai Rannenberg
- Price$0
- Reviews-
- Published2026-08
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Privacy Technologies and Policy: 13th Annual Privacy Forum, APF 2025, Frankfurt am Main, Germany, October 22–23, 2025, Proceedings (Lecture Notes in Computer Science Book 16183)
by Kai Rannenberg
- Price$0
- Reviews-
- Published2025-10
Main categories
FAQ
How many books does Kai Rannenberg have on Amazon?
KDPTop tracks 3 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Kai Rannenberg publish in?
Their books chart most often in Security & Encryption, Systems Architecture, Encryption.
How does Kai Rannenberg price their books?
The median price is $120; half of the books cost $120–$120.
Has Kai Rannenberg 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.