KDP categories · Top KDP authors
Christopher Negus: Amazon KDP author data
As of Nov 6, 2026, Christopher Negus has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #4), mostly in Linux, Operating Systems, Cloud Computing.
| Median price | $38 |
|---|---|
| Price range (middle 50%) | $17.70 – $41.28 |
| Median reviews | 61 |
| Total reviews | 1,608 |
| 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 $38, 27% above the median of their main category, Linux.
Christopher Negus's best-ranked books
-
-
Linux Bible
by Christopher Negus
- Price$16.74
- Rating4.6
- Reviews462
-
Linux Bible
by Christopher Negus
- Price$48.54
- Rating4.8
- Reviews963
-
-
BSD UNIX Toolbox: 1000+ Commands for FreeBSD, OpenBSD and NetBSD
by Christopher Negus
- Price-
- Rating4.1
- Reviews23
-
Ubuntu Linux Toolbox: 1000+ Commands for Power Users
by Christopher Negus
- Price$17.70
- Rating4.4
- Reviews84
Main categories
FAQ
How many books does Christopher Negus have on Amazon?
KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Christopher Negus publish in?
Their books chart most often in Linux, Operating Systems, Cloud Computing.
How does Christopher Negus price their books?
The median price is $38; half of the books cost $17.70–$41.28.
Has Christopher Negus 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.