KDP categories · Top KDP authors
Sam Coffman: Amazon KDP author data
As of Nov 6, 2026, Sam Coffman has 6 books on Amazon, 6 of them on a best-seller list in the last 30 days (best rank #6), mostly in Hiking & Camping, Camping, Safety & First Aid.
| Median price | $15.54 |
|---|---|
| Price range (middle 50%) | $13.47 – $21.49 |
| Median reviews | 708 |
| Total reviews | 2,164 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 2 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
Sam Coffman's best-ranked books
-
Emergency Water: How to Collect, Purify, and Store Water During Storms, Power Outages, and Other Disasters
by Sam Coffman
- Price$22.99
- Reviews-
- Published2026-11
-
Survival Gardening: Grow Your Own Emergency Food Supply, from Seed to Root Cellar
by Sam Coffman
- Price$14.10
- Rating4.2
- Reviews40
-
Herbal Medic: A Green Beret's Guide to Emergency Medical Preparedness and Natural First Aid
by Sam Coffman
- Price$13.26
- Rating4.8
- Reviews708
-
Emergency Water: How to Collect, Purify, and Store Water During Storms, Power Outages, and Other Disasters
by Sam Coffman
- Price$16.99
- Reviews-
-
Herbal Medic: A Green Beret's Guide to Emergency Medical Preparedness and Natural First Aid
by Sam Coffman
- Price$26.21
- Rating4.8
- Reviews708
-
Herbal Medic: A Green Beret's Guide to Emergency Medical Preparedness and Natural First Aid
by Sam Coffman
- Price$12.99
- Rating4.8
- Reviews708
Main categories
FAQ
How many books does Sam Coffman have on Amazon?
KDPTop tracks 6 of their books; 6 made an Amazon list in the last 30 days.
Which categories does Sam Coffman publish in?
Their books chart most often in Hiking & Camping, Camping, Safety & First Aid.
How does Sam Coffman price their books?
The median price is $15.54; half of the books cost $13.47–$21.49.
Has Sam Coffman released new books recently?
2 new books in the last 30 days, 2 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.