KDP categories · Top KDP authors
M.L. Humphrey: Amazon KDP author data
As of Nov 6, 2026, M.L. Humphrey has 31 books on Amazon, 28 of them on a best-seller list in the last 30 days (best rank #9), mostly in Microsoft Excel, Spreadsheets, Office Software.
| Median price | $9.99 |
|---|---|
| Price range (middle 50%) | $7.99 – $12.99 |
| Median reviews | 6 |
| Total reviews | 4,395 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 90% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $9.99, 56% below the median of their main category, Microsoft Excel.
M.L. Humphrey's best-ranked books
-
Regulatory Compliance Fundamentals: Regulatory Compliance Essentials, Book 1
by M.L. Humphrey
- Price$8.25
- Rating3.5
- Reviews34
-
Regulatory Compliance Fundamentals (Regulatory Compliance Essentials)
by M.L. Humphrey
- Price$14.99
- Rating3.5
- Reviews34
-
Microsoft Office 365 for Beginners
by M.L. Humphrey
- Price$12.99
- Reviews-
-
Excel 365 for Beginners (Excel 365 Essentials)
by M.L. Humphrey
- Price$12.99
- Rating4.4
- Reviews14
-
Excel for Beginners (Excel Essentials)
by M.L. Humphrey
- Price$19.95
- Rating4.2
- Reviews1,308
-
Regulatory Compliance Fundamentals (Regulatory Compliance Essentials)
by M.L. Humphrey
- Price$7.99
- Rating3.5
- Reviews34
-
Intermediate Excel (Excel Essentials)
by M.L. Humphrey
- Price$19.95
- Rating4.2
- Reviews258
-
102 Useful Excel 365 Functions (Excel 365 Essentials)
by M.L. Humphrey
- Price$12.99
- Rating3.4
- Reviews6
-
AML Compliance Fundamentals (Regulatory Compliance Essentials)
by M.L. Humphrey
- Price$7.99
- Rating4.0
- Reviews6
-
Excel 365 for Beginners (Excel 365 Essentials Book 1)
by M.L. Humphrey
- Price$4.99
- Rating4.4
- Reviews14
Main categories
FAQ
How many books does M.L. Humphrey have on Amazon?
KDPTop tracks 31 of their books; 28 made an Amazon list in the last 30 days.
Which categories does M.L. Humphrey publish in?
Their books chart most often in Microsoft Excel, Spreadsheets, Office Software.
How does M.L. Humphrey price their books?
The median price is $9.99; half of the books cost $7.99–$12.99.
Has M.L. Humphrey 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.