Harmony War books in order

The Harmony War series by Michael Chatfield is a five-book military science fiction series following soldiers through an interstellar conflict.

Reading order

# Title Published Author Buy on Amazon
1 Sacremon 2016 Michael Chatfield Buy
2 Masoul 2016 Michael Chatfield Buy
3 Osdal 2016 Michael Chatfield Buy
4 Fernix 2016 Michael Chatfield Buy
5 Earth 2019 Michael Chatfield Buy

The Harmony War series by Michael Chatfield is military science fiction told from the ground level. Five books published between 2016 and 2019 follow soldiers through an escalating interstellar war, with each novel named for the planet where the fighting takes place.

The series moves from colonial battlefields to a final stand on Earth, with the scope widening as the war’s true stakes become clear. Chatfield writes combat with a focus on tactics, unit cohesion, and the cost of sustained warfare.

Frequently Asked Questions

How many books are in the Harmony War series?

There are five books in the Harmony War series, published between 2016 and 2019.

What is the first book in the Harmony War series?

The first book in the Harmony War series is Sacremon, published in 2016.

What is the Harmony War series about?

The series follows soldiers fighting across multiple planets in an interstellar war. Each book is named for a planet or location — Sacremon, Masoul, Osdal, Fernix, Earth — and the war escalates from colonial skirmishes to a fight for Earth itself. Chatfield’s military background shapes the ground-level combat and unit tactics.

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