Marius’ Mules Books in Order

S.J.A. Turney has written 18 Marius’ Mules books, published between 2009 and 2026. The first book is The Invasion of Gaul / The Conquest of Gaul (2009) and the newest is King of the Mountains (2026). Publication order is the reading order below.

Books
18
Published
2009–2026
Pages on record
4,420 in 10 of 18 books
Reading time
74–111 hours

Reading time is an estimate, not a recorded figure: 4,420 pages at 300 words a page, read at 200300 words a minute, covering the 10 of 18 titles with a page count on record.

Marius' Mules is a historical series by S.J.A. Turney set in Rome's wars in Gaul. The Invasion of Gaul (2009) opens 18 catalogued books that reach King of the Mountains (2026), by way of The Belgae (2010), Gallia Invicta (2011), Conspiracy of Eagles (2012), Caesar's Vow (2014) and The Great Revolt (2014). Druids, the Belgae and Roman generals appear among the subjects, and the series remains open.

How many Marius’ Mules books are there?

Marius’ Mules has 18 books, released between 2009 and 2026.

Marius’ Mules Books in Publication Order

The table lists all 18 Marius’ Mules 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.

  1. 1
    The Invasion of Gaul / The Conquest of GaulMarius' Mules #12009 · 468 pages · confirmed 2/4
    2009468
  2. 2
    The BelgaeMarius' Mules #22010 · 428 pages · confirmed 2/4
    2010428
  3. 3
    Gallia InvictaMarius' Mules #32011 · confirmed 2/4
    2011
  4. 4
    Conspiracy of EaglesMarius' Mules #42012 · 454 pages · confirmed 2/4
    2012454
  5. 5
    Hades' GateMarius' Mules #52013 · 458 pages · confirmed 2/4
    2013458
  6. 6
    Caesar's VowMarius' Mules #62014 · 424 pages · confirmed 2/4
    2014424
  7. 7
    Prelude to WarMarius' Mules #72014 · confirmed 2/4
    2014
  8. 8
    The Great RevoltMarius' Mules #82014 · 496 pages · confirmed 2/4
    2014496
  9. 9
    Sons of TaranisMarius' Mules #92015 · 430 pages · confirmed 2/4
    2015430
  10. 10
    Pax GallicaMarius' Mules #102016 · 406 pages · confirmed 2/4
    2016406
  11. 11
    Fields of MarsMarius' Mules #112017 · 430 pages · confirmed 2/4
    2017430
  12. 12
    Tides of WarMarius' Mules #122018 · 426 pages · confirmed 2/4
    2018426
  13. 13
    Sands of EgyptMarius' Mules #132019 · confirmed 2/4
    2019
  14. 14
    Civil WarMarius' Mules #142020 · confirmed 2/4
    2020
  15. 15
    The Last BattleMarius' Mules #152021 · confirmed 2/4
    2021
  16. 16
    The Ides of MarchMarius' Mules #162023 · confirmed 2/4
    2023
  17. 17
    Sertorius' GhostMarius' Mules #172025 · confirmed 2/4
    2025
  18. 18
    King of the MountainsMarius' Mules #182026 · confirmed 2/4
    2026

Do you have to read Marius’ Mules books in order?

You should read the Marius’ Mules books in publication order, the order of the numbered table above. The catalogue does not record whether each Marius’ Mules book also stands alone.

Where to start with Marius’ Mules

Start with The Invasion of Gaul / The Conquest of Gaul (2009), the earliest published title.

What is the newest Marius’ Mules book?

King of the Mountains (2026) is the newest Marius’ Mules book released so far.

Is there a new Marius’ Mules book coming?

No next Marius’ Mules book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.

Marius’ Mules at a glance

Still running
Marius’ Mules is still running, with a title published as recently as 2026.
Release pace
Marius’ Mules books have appeared about one a year on average.
Length
4,420 pages across the 10 of 18 books with a recorded length, a median of 430 pages each.
Busiest decade
Most Marius’ Mules books, 12 of 18, were published in the 2010s.

What the Marius’ Mules books are about

3 of the 18 Marius’ Mules books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: historical fiction is tagged on 2 of 3. The subjects are cataloguers’ headings, not a plot summary.

  • Historical fiction 2 of 3 books
  • Rome 2 of 3 books
  • Belgae 1 of 3 books
  • Druids and druidism 1 of 3 books
  • Generals 1 of 3 books
  • Généraux 1 of 3 books
  • Histoire 1 of 3 books
  • History 1 of 3 books
  • Romans, nouvelles 1 of 3 books

More books by S.J.A. Turney

The author page linked below lists every book in publication order.