KDP categories · Top KDP authors
Sam J Fires: Amazon KDP author data
As of Nov 6, 2026, Sam J Fires has 15 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #56), mostly in Politics & Government, Zombies, Science Fiction.
| Median price | $1.99 |
|---|---|
| Price range (middle 50%) | $0.99 – $4.49 |
| Median reviews | 173 |
| Total reviews | 6,488 |
| New books (30 days) | 0 |
| Breakout books (30 days) | 0 |
What stands out
- 53% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $1.99, 67% below the median of their main category, Politics & Government.
Sam J Fires's best-ranked books
-
After the End Series (Books 1-7)
by Sam J Fires
- Price$22.99
- Rating4.6
- Reviews688
-
Level Sands: A Post-Apocalyptic Survival Thriller (Crimson Rage Series Part 2)
by Sam J Fires
- Price$0.99
- Rating3.8
- Reviews78
-
Bad Boys Make Broken Men: A Mayhem & Madness Prequel (Mayhem and Madness)
by Sam J Fires
- Price$0
- Rating4.3
- Reviews36
- Published2020-10
-
Ravaged World - The Complete Collection: A Zombie Apocalypse Survival Thriller
by Sam J Fires
- Price$5.99
- Rating4.2
- Reviews162
-
The Sandman: A Post-Apocalyptic Survival Thriller (Crimson Rage Series Part 4)
by Sam J Fires
- Price$1.99
- Rating4.1
- Reviews53
-
Dark Endings: A Post-Apocalyptic Survival Thriller: Book 7 (Ravaged World)
by Sam J Fires
- Price$2.99
- Rating4.5
- Reviews31
-
End of Days: Books 1-7 Box Set
by Sam J Fires
- Price$0.99
- Rating4.4
- Reviews1,194
- Published2023-09
-
End of Days: Box Set Books 1 - 7: A Post-Apocalyptic EMP Survival Thriller
by Sam J Fires
- Price$0
- Rating4.4
- Reviews1,193
- Published2022-12
-
Grip of Fear : A Post-Apocalyptic EMP Survival Thriller (End of Days Book 1)
by Sam J Fires
- Price$0
- Rating4.2
- Reviews1,132
- Published2022-04
-
Surviving Chaos: A Post-Apocalyptic EMP Survival Thriller (End of Days Prequel)
by Sam J Fires
- Price$0
- Rating4.1
- Reviews810
- Published2022-04
Main categories
FAQ
How many books does Sam J Fires have on Amazon?
KDPTop tracks 15 of their books; 8 made an Amazon list in the last 30 days.
Which categories does Sam J Fires publish in?
Their books chart most often in Politics & Government, Zombies, Science Fiction.
How does Sam J Fires price their books?
The median price is $1.99; half of the books cost $0.99–$4.49.
Has Sam J Fires 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.