KDP categories · Top KDP authors
Marko Kloos: Amazon KDP author data
As of Nov 6, 2026, Marko Kloos has 20 books on Amazon, 8 of them on a best-seller list in the last 30 days (best rank #47), mostly in Space Marine, Alien Invasion, Military.
| Median price | $4.99 |
|---|---|
| Price range (middle 50%) | $2.74 – $4.99 |
| Median reviews | 11,185 |
| Total reviews | 224,172 |
| New books (30 days) | 2 |
| Breakout books (30 days) | 0 |
What stands out
- Median price $4.99, 17% below the median of their main category, Space Marine.
Marko Kloos's best-ranked books
-
Lines of Departure (Frontlines Book 2)
by Marko Kloos
- Price$4.99
- Rating4.4
- Reviews20,487
-
Terms of Enlistment (Frontlines Book 1)
by Marko Kloos
- Price$3.99
- Rating4.4
- Reviews26,242
-
Chains of Command (Frontlines Book 4)
by Marko Kloos
- Price$2.49
- Rating4.5
- Reviews14,772
-
Orders of Battle (Frontlines Book 7)
by Marko Kloos
- Price$2.99
- Rating4.6
- Reviews10,097
- Published2020-12
-
Angles of Attack (Frontlines Book 3)
by Marko Kloos
- Price$4.99
- Rating4.4
- Reviews16,568
-
Scorpio (Frontlines: Evolution Book 1)
by Marko Kloos
- Price$4.99
- Rating4.3
- Reviews11,185
-
Terms of Enlistment: Frontlines, Book 1
by Marko Kloos
- Price$0.99
- Rating4.4
- Reviews26,234
- Published2014-01
-
Fields of Fire (Frontlines Book 5)
by Marko Kloos
- Price$0
- Rating4.6
- Reviews13,836
- Published2017-02
-
Points of Impact (Frontlines Book 6)
by Marko Kloos
- Price$0
- Rating4.5
- Reviews12,216
- Published2018-01
-
Points of Impact: Frontlines, Book 6
by Marko Kloos
- Price$0
- Rating4.5
- Reviews12,214
Main categories
FAQ
How many books does Marko Kloos have on Amazon?
KDPTop tracks 20 of their books; 8 made an Amazon list in the last 30 days.
Which categories does Marko Kloos publish in?
Their books chart most often in Space Marine, Alien Invasion, Military.
How does Marko Kloos price their books?
The median price is $4.99; half of the books cost $2.74–$4.99.
Has Marko Kloos released new books recently?
2 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.