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Christopher Coughlin: Amazon KDP author data
As of Nov 6, 2026, Christopher Coughlin has 6 books on Amazon, 5 of them on a best-seller list in the last 30 days (best rank #1), mostly in Emergency Medical Services, Test Preparation & Review, Allied Health Services.
| Median price | $22.45 |
|---|---|
| Price range (middle 50%) | $18.74 – $26.07 |
| Median reviews | 780 |
| Total reviews | 7,456 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 83% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $22.45, 37% below the median of their main category, Emergency Medical Services.
Christopher Coughlin's best-ranked books
-
EMT (Emergency Medical Technician) Crash Course with Online Practice Test, 3rd Edition: Get a Passing Score in Less Time (EMT Test Preparation)
by Christopher Coughlin
- Price$18.34
- Rating4.8
- Reviews563
- Published2023-11
-
EMT (Emergency Medical Technician) Crash Course with Online Practice Test, 2nd Edition: Get a Passing Score in Less Time (EMT Test Preparation)
by Christopher Coughlin
- Price$19.95
- Rating4.7
- Reviews4,456
- Published2018-01
-
Paramedic Crash Course with Online Practice Test: Get a Passing Score in Less Time
by Christopher Coughlin
- Price$24.95
- Rating4.6
- Reviews29
- Published2025-06
-
Paramedic Crash Course with Online Practice Test
by Christopher Coughlin
- Price$9.99
- Rating4.7
- Reviews849
-
Paramedic Crash Course with Online Practice Test
by Christopher Coughlin
- Price$26.45
- Rating4.7
- Reviews849
-
EMT Crash Course Book + Online (EMT Test Preparation)
by Christopher Coughlin
- Price$29.15
- Rating4.6
- Reviews710
- Published2012-01
Main categories
FAQ
How many books does Christopher Coughlin have on Amazon?
KDPTop tracks 6 of their books; 5 made an Amazon list in the last 30 days.
Which categories does Christopher Coughlin publish in?
Their books chart most often in Emergency Medical Services, Test Preparation & Review, Allied Health Services.
How does Christopher Coughlin price their books?
The median price is $22.45; half of the books cost $18.74–$26.07.
Has Christopher Coughlin 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.