The Decurion Saga books in order

The Decurion Saga is a new science fiction series by Richard Swan published by Tor, opening with The Infinite State (2026), set in a fascist galaxy-spanning empire and following characters resisting its totalitarian grip.

Reading order

# Title Published Author Buy on Amazon
1 The Infinite State 2026 Richard Swan Buy

The Decurion Saga marks Richard Swan’s move into science fiction publishing at the mainstream level, with The Infinite State (2026) published by Tor. The setting — a fascist galactic empire ruled by a figure called the Pater Aeternus — allows Swan to apply the same interest in institutional authority and individual resistance that shaped the Empire of the Wolf fantasy series to a science fiction frame.

Katherine Fuller, one of the point-of-view characters, inherits the resources of her deceased husband (a party member) and uses them to purchase a planet where she attempts to construct a democratic society within the empire’s reach. The premise puts individual conscience against systemic power in terms that recall both classic political science fiction and Swan’s legal background.

As a new series, The Infinite State is the starting point.

Frequently Asked Questions

How many books are in the The Decurion Saga series?

There are one books in the The Decurion Saga series, published in 2026.

What is the first book in the The Decurion Saga series?

The first book in the The Decurion Saga series is The Infinite State, published in 2026.

What is the Decurion Saga about?

The Decurion Saga is set in the Decurion Empire, a fascist civilization that spans the galaxy under the rule of the Pater Aeternus. The Infinite State (2026), the first book, follows Katherine Fuller, widow of a party member who inherits vast resources and uses them to purchase a planet with the intention of building a democracy within the empire’s borders. The series examines the dynamics of resistance, complicity, and individual action under totalitarianism, published by Macmillan’s Tor imprint.

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