Marko Kloos Books in Order
Marko Kloos has written 22 books, published between 2013 and 2026. The first book is Terms of Enlistment (2013) and the newest is Cygnus (2026). Publication order is the reading order below.
- Books
- 22
- Published
- 2013–2026
- Pages on record
- 2,691 in 9 of 22 books
Marko Kloos writes military science fiction and high fantasy. Kloos was born in Germany and lives in the United States. The Frontlines series opens the catalogue with Terms of Enlistment (2013) and runs through Lines of Departure (2014), Angles of Attack (2015) and Fields of Fire (2017); the Palladium Wars begin with Aftershocks (2019). Twenty-two books span 2013 to 2026, with space warfare, alien contact, space colonies and dystopian poverty among the subjects.
How many Marko Kloos books are there?
Marko Kloos has 22 books, released between 2013 and 2026. They include 5 series and 1 title listed outside any series.
Marko Kloos Books in Publication Order
The table lists all 22 Marko Kloos books in the order they were published, with the release year, the page count where one is on record, and how many independent book listings confirm each title. Catalogue data as of September 2026.
- 120133342/4
- 22013–2/4
- 32013–2/4
- 420143152/4
- 520153382/4
- 620161122/4
- 720163842/4
- 820173022/4
- 920183002/4
- 1020192882/4
- 112019–2/4
- 12On the Use of Shape-Shifters in Warfare2019 · confirmed 2/42019–2/4
- 1320203182/4
- 142020–2/4
- 152020–2/4
- 162021–2/4
- 172022–2/4
- 182024–2/4
- 192024–2/4
- 202025–2/4
- 212025–2/4
- 222026–2/4
Marko Kloos books grouped by series
Each title below is a row in the publication-order table above. None of these groups has a reading-order page of its own on this site.
Frontlines in order
11 booksPalladium Wars in order
4 books- 1. Aftershocks
- 2. Ballistic
- 3. Citadel
- 4. Descent
Frontlines: Evolution in order
3 booksWild Card in order
2 booksFrontlines Graphic Novels in order
1 bookStandalone books
1 book1 Marko Kloos title here is not listed as part of any series.
Do you have to read Marko Kloos books in order?
You only need to read Marko Kloos books in order within each series: the books listed here span 5 separate series, and each series has its own publication order.
Where to start with Marko Kloos
Start with Terms of Enlistment (2013), the earliest published title.
What is the newest Marko Kloos book?
Cygnus (2026) is the newest Marko Kloos book released so far.
Is there a new Marko Kloos book coming?
No next Marko Kloos book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.
Marko Kloos at a glance
- Still publishing
- Marko Kloos published a book as recently as 2026.
- Release pace
- Marko Kloos books have appeared more than one a year on average.
- Length
- 2,691 pages across the 9 of 22 books with a recorded length, a median of 315 pages each.
- Busiest decade
- Most Marko Kloos books, 12 of 22, were published in the 2010s.
What the Marko Kloos books are about
7 of the 22 Marko Kloos books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: extraterrestrial beings is tagged on 3 of 7. The subjects are cataloguers’ headings, not a plot summary.
- Extraterrestrial beings 3 of 7 books
- Human-alien encounters 3 of 7 books
- Imaginary wars and battles 3 of 7 books
- Space warfare 3 of 7 books
- Science fiction 2 of 7 books








