KDP categories · Top KDP authors
Glen D. Singh: Amazon KDP author data
As of Nov 6, 2026, Glen D. Singh has 11 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #5), mostly in Hacking, Linux, Network Security.
| Median price | $30.39 |
|---|---|
| Price range (middle 50%) | $28.16 – $36.66 |
| Median reviews | 45 |
| Total reviews | 1,042 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 91% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Glen D. Singh's best-ranked books
-
The Ultimate Kali Linux Book: Harness Nmap, Metasploit, Aircrack-ng, and Empire for cutting-edge pentesting
by Glen D. Singh
- Price$29.82
- Rating4.6
- Reviews153
-
The Ultimate Ethical Hacker's Guide: Build job-ready skills with hands-on labs in recon, exploitation, and professional reporting
by Glen D. Singh
- Price$26.59
- Rating4.5
- Reviews2
-
The Ultimate Ethical Hacker's Guide: Build job-ready skills with hands-on labs in recon, exploitation, and professional reporting
by Glen D. Singh
- Price$27.99
- Rating4.5
- Reviews2
-
Implementing and Administering Cisco Solutions 200-301 CCNA Exam Guide: Everything you need to pass the 200-301 CCNA v1.1 exam and advance your career as a network engineer
by Glen D. Singh
- Price$31.19
- Rating4.6
- Reviews45
-
Implementing and Administering Cisco Solutions 200-301 CCNA Exam Guide: Everything you need to pass the 200-301 CCNA v1.1 exam and advance your career as a network engineer
by Glen D. Singh
- Price$34.99
- Rating4.6
- Reviews45
-
The Ultimate Kali Linux Book: Perform advanced penetration testing using Nmap, Metasploit, Aircrack-ng, and Empire
by Glen D. Singh
- Price$38.32
- Rating4.7
- Reviews251
-
The Ultimate Kali Linux Book: Perform Advanced Penetration Testing Using Nmap, Metasploit, Aircrack-Ng, and Empire, 2nd Edition
by Glen D. Singh
- Price$18.64
- Rating4.7
- Reviews251
-
The Ultimate Kali Linux Book: Harness Nmap, Metasploit, Aircrack-ng, and Empire for cutting-edge pentesting
by Glen D. Singh
- Price$28.33
- Rating4.6
- Reviews151
-
Cisco Certified CyberOps Associate 200-201 Certification Guide: Learn blue teaming strategies and incident response techniques to mitigate cybersecurity incidents
by Glen D. Singh
- Price$30.39
- Rating4.3
- Reviews29
-
Cisco Certified CyberOps Associate 200-201 Certification Guide: Learn blue teaming strategies and incident response techniques to mitigate cybersecurity incidents
by Glen D. Singh
- Price$50.99
- Rating4.3
- Reviews29
Main categories
FAQ
How many books does Glen D. Singh have on Amazon?
KDPTop tracks 11 of their books; 10 made an Amazon list in the last 30 days.
Which categories does Glen D. Singh publish in?
Their books chart most often in Hacking, Linux, Network Security.
How does Glen D. Singh price their books?
The median price is $30.39; half of the books cost $28.16–$36.66.
Has Glen D. Singh 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.