KDP categories · Top KDP authors
Duncan Cartlidge: Amazon KDP author data
As of Nov 6, 2026, Duncan Cartlidge has 7 books on Amazon, 4 of them on a best-seller list in the last 30 days (best rank #2), mostly in Estimating, Quality Control, Project Planning & Management.
| Median price | $27.45 |
|---|---|
| Price range (middle 50%) | $23.30 – $31.97 |
| Median reviews | 16 |
| Total reviews | 164 |
| New listings (30 days, incl. new editions) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 57% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $27.45, 175% above the median of their main category, Estimating.
Duncan Cartlidge's best-ranked books
-
Construction Project Manager’s Pocket Book (Routledge Pocket Books)
by Duncan Cartlidge
- Price$23.60
- Rating4.7
- Reviews16
- Published2024-07
-
Construction Project Manager’s Pocket Book (Routledge Pocket Books)
by Duncan Cartlidge
- Price$22.42
- Rating4.7
- Reviews16
-
Quantity Surveyor's Pocket Book (Routledge Pocket Books)
by Duncan Cartlidge
- Price$31.30
- Reviews-
-
Estimator’s Pocket Book (Routledge Pocket Books)
by Duncan Cartlidge
- Price$33.99
- Rating2.5
- Reviews2
-
Construction Project Manager’s Pocket Book (Routledge Pocket Books)
by Duncan Cartlidge
- Price-
- Rating4.5
- Reviews130
- Published2020-05
-
New Aspects of Quantity Surveying Practice
by Duncan Cartlidge
- Price-
- Reviews-
- Published2023-04
-
Quantity Surveyor's Pocket Book (Routledge Pocket Books)
by Duncan Cartlidge
- Price-
- Reviews-
- Published2026-07
Main categories
FAQ
How many books does Duncan Cartlidge have on Amazon?
KDPTop tracks 7 of their books; 4 made an Amazon list in the last 30 days.
Which categories does Duncan Cartlidge publish in?
Their books chart most often in Estimating, Quality Control, Project Planning & Management.
How does Duncan Cartlidge price their books?
The median price is $27.45; half of the books cost $23.30–$31.97.
Has Duncan Cartlidge 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.