KDP categories · Top KDP authors
Joe Shelley: Amazon KDP author data
As of Nov 6, 2026, Joe Shelley has 10 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #1), mostly in Security, Certification, Security & Encryption.
| Median price | $37.99 |
|---|---|
| Price range (middle 50%) | $25.49 – $42.62 |
| Median reviews | 47 |
| Total reviews | 1,808 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 1 |
What stands out
- 50% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Joe Shelley's best-ranked books
-
CompTIA Security+ Get Certified Get Ahead: SY0-701 Study Guide
by Joe Shelley
- Price$9.99
- Rating4.6
- Reviews497
-
CompTIA Security+ Get Certified Get Ahead: SY0-701 Study Guide
by Joe Shelley
- Price$37.99
- Rating4.6
- Reviews497
- Published2023-10
-
CompTIA Security+ Get Certified Get Ahead: SY0-801 Study Guide
by Joe Shelley
- Price$12.99
- Reviews-
- Published2026-11
-
IAPP CIPM Certified Information Privacy Manager Study Guide
by Joe Shelley
- Price$39.24
- Rating4.6
- Reviews47
- Published2023-02
-
IAPP CIPP / US Certified Information Privacy Professional Study Guide (Sybex Study Guide)
by Joe Shelley
- Price$46
- Rating4.8
- Reviews38
- Published2024-12
-
CompTIA Security+ Get Certified Get Ahead: SY0-701 Study Guide
by Joe Shelley
- Price$37.99
- Rating4.6
- Reviews497
- Published2023-11
-
IAPP CIPP / US Certified Information Privacy Professional Study Guide (Sybex Study Guide)
by Joe Shelley
- Price$52
- Rating4.5
- Reviews183
- Published2021-06
-
IAPP CIPM Certified Information Privacy Manager Study Guide
by Joe Shelley
- Price-
- Rating4.6
- Reviews47
- Published2023-01
-
Information Security and Privacy Quick Reference: The Essential Handbook for Every CISO, CSO, and Chief Privacy Officer
by Joe Shelley
- Price-
- Rating5.0
- Reviews1
- Published2025-06
-
Information Security and Privacy Quick Reference: The Essential Handbook for Every CISO, CSO, and Chief Privacy Officer
by Joe Shelley
- Price-
- Rating5.0
- Reviews1
- Published2025-05
Main categories
FAQ
How many books does Joe Shelley have on Amazon?
KDPTop tracks 10 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Joe Shelley publish in?
Their books chart most often in Security, Certification, Security & Encryption.
How does Joe Shelley price their books?
The median price is $37.99; half of the books cost $25.49–$42.62.
Has Joe Shelley released new books recently?
1 new book in the last 30 days, 1 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.