KDP categories · Top KDP authors
Trevor Shelwick: Amazon KDP author data
As of Nov 6, 2026, Trevor Shelwick has 7 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #2), mostly in Hacking, Security & Encryption, Web Design.
| Median price | $25.99 |
|---|---|
| Price range (middle 50%) | $20.49 – $29.99 |
| Median reviews | 36 |
| Total reviews | 240 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 71% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Trevor Shelwick's best-ranked books
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The Cybersecurity Handbook: Your Complete Guide to Securing Digital Assets and Preventing Cyber Threats | Become a Cybersecurity Expert in No Time and Build a Thriving Career
by Trevor Shelwick
- Price$19.99
- Rating4.8
- Reviews53
-
The OSINT Bible: The Complete Guide to Mastering Open-Source Intelligence | Discover Critical Information, Protect Sensitive Data, and Gain a Competitive Edge
by Trevor Shelwick
- Price$29.99
- Rating4.3
- Reviews39
-
The OSINT Bible: The Complete Guide to Mastering Open-Source Intelligence | Discover Critical Information, Protect Sensitive Data, and Gain a Competitive Edge
by Trevor Shelwick
- Price$29.99
- Rating4.3
- Reviews39
-
The Computer Networking Bible: Your Complete Guide to Creating and Securing Networks | Become a Network Expert in No Time and Build a Thriving Career
by Trevor Shelwick
- Price$21.99
- Rating4.5
- Reviews36
-
The Computer Networking Bible: Your Complete Guide to Creating and Securing Networks | Become a Network Expert in No Time and Build a Thriving Career
by Trevor Shelwick
- Price$9.99
- Rating4.5
- Reviews36
-
![The Cybersecurity and Computer Networking Bible: [2 in 1] Your Ultimate Guide to Mastering book cover by Trevor Shelwick](https://m.media-amazon.com/images/I/61TupeIQPfL._SL1293_.jpg)
The Cybersecurity and Computer Networking Bible: [2 in 1] Your Ultimate Guide to Mastering Digital Security and Network Infrastructure | Become an IT Expert in No Time and Build a Successful Career
by Trevor Shelwick
- Price$29.99
- Rating4.6
- Reviews35
- Published2024-08
-
The Machine Learning System Design Bible: The Definitive Guide to Cracking System Design Interviews for ML Engineers – Insider Secrets to Gain an Unfair Advantage and Land Your Dream Job!
by Trevor Shelwick
- Price-
- Rating2.9
- Reviews2
- Published2025-03
Main categories
FAQ
How many books does Trevor Shelwick have on Amazon?
KDPTop tracks 7 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Trevor Shelwick publish in?
Their books chart most often in Hacking, Security & Encryption, Web Design.
How does Trevor Shelwick price their books?
The median price is $25.99; half of the books cost $20.49–$29.99.
Has Trevor Shelwick 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.