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Dave Cullen: Amazon KDP author data
As of Nov 6, 2026, Dave Cullen has 7 books on Amazon, 7 of them on a best-seller list in the last 30 days (best rank #1), mostly in School Safety, Violence in Society, Reform & Policy.
| Median price | $19.53 |
|---|---|
| Price range (middle 50%) | $10.49 – $23.30 |
| Median reviews | 7,586 |
| Total reviews | 31,460 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Dave Cullen's best-ranked books
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Parkland: Birth of a Movement
by Dave Cullen
- Price$1.99
- Rating4.4
- Reviews499
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Columbine 25th Anniversary Memorial Edition
by Dave Cullen
- Price$29.95
- Rating4.6
- Reviews7,592
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Parkland: Birth of a Movement
by Dave Cullen
- Price$22.79
- Rating4.4
- Reviews499
-
Columbine 25th Anniversary Memorial Edition
by Dave Cullen
- Price$19.53
- Rating4.6
- Reviews7,586
-
Deus v Machina: A Cody Stockton Mystery
by Dave Cullen
- Price$8.99
- Rating4.6
- Reviews102
Main categories
FAQ
How many books does Dave Cullen have on Amazon?
KDPTop tracks 7 of their books; 7 made an Amazon list in the last 30 days.
Which categories does Dave Cullen publish in?
Their books chart most often in School Safety, Violence in Society, Reform & Policy.
How does Dave Cullen price their books?
The median price is $19.53; half of the books cost $10.49–$23.30.
Has Dave Cullen released new books recently?
1 new book 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.