KDP categories · Top KDP authors
Christof Leng: Amazon KDP author data
As of Nov 6, 2026, Christof Leng has 2 books on Amazon, 2 of them on a best-seller list in the last 30 days (best rank #1), mostly in New, Used & Rental Textbooks, Networking & Cloud Computing, Computers & Technology.
| Median price | $67.57 |
|---|---|
| Price range (middle 50%) | $66.28 – $68.87 |
| Median reviews | 2 |
| Total reviews | 4 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- Median price $67.57, 260% above the median of their main category, New, Used & Rental Textbooks.
Christof Leng's best-ranked books
-
Site Reliability Engineering: How Google Runs Production Systems
by Christof Leng
- Price$64.99
- Rating5.0
- Reviews2
- Published2026-09
-
Site Reliability Engineering: How Google Runs Production Systems
by Christof Leng
- Price$70.16
- Rating5.0
- Reviews2
- Published2026-10
Main categories
FAQ
How many books does Christof Leng have on Amazon?
KDPTop tracks 2 of their books; 2 made an Amazon list in the last 30 days.
Which categories does Christof Leng publish in?
Their books chart most often in New, Used & Rental Textbooks, Networking & Cloud Computing, Computers & Technology.
How does Christof Leng price their books?
The median price is $67.57; half of the books cost $66.28–$68.87.
Has Christof Leng released new books recently?
2 new books in the last 30 days, 2 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.