There are 6 books in the The Imperial Assassin series. The newest book is Emperor's Fate which came out in 2022.

1
Emperor's Sword

Book cover of Emperor's Sword
A desolate wasteland. A mission gone wrong. An impossible goal. A gripping new series of Ancient Rome

Roman scout Silus is deep behind enemy lines in Caledonia. As he spies on a raiding party, he is abruptly discovered by an enemy chief and his son.

Mounting a one man ambush,…

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2
Emperor's Knife

Book cover of Emperor's Knife
Brothers. Emperors. Deadly enemies... An unputdownable novel of intrigue and combat in Rome.

Emperor Severus is on his deathbed. His sons Geta and Caracalla, feuding in Britannia, are readying for a devastating power struggle.

Silus, now a centurion in the Arcani, the secretive network of spies and killers, is thrown…

3
Emperor's Axe

Book cover of Emperor's Axe
The fate of Rome, and thousands of lives, rests on the shoulders of one man.

After murdering his brother, and taking the position of Emperor for himself, Caracalla orders a brutal purge of the supporters of Geta.

Meanwhile, Caracalla's ally Marcellus has his son suddenly kidnapped. But why? Silus is…

4
Emperor's Spear

Book cover of Emperor's Spear
An intense novel of war at the Roman frontier.

On the Empire's Northern border trouble is stirring. For decades the barbarians have been at the gates. Now, facing threats from within as well as outside, the Emperor is provoking war.

When his friend Atius goes missing in Germania, Imperial Assassin…

5
Emperor's Lion

Book cover of Emperor's Lion
A single death could plunge the Empire into chaos.

Silus, member of Emperor Caracalla's elite assassins, the Arcani, is dispatched to Numidia. Rumours of assassination plots against Marcellus, the Emperor's closest aide, are rife. Silus must stop them. But the forces arrayed against the Arcani are now as powerful as…

6
Emperor's Fate

Book cover of Emperor's Fate
Massacres, invasions, plots. An Emperor on the edge. An Empire in peril.

Caracalla is on the warpath. Time, he has decided, to put his enemies in their place. To invade the Parthians at the edge of the Empire. To destroy everything in his way.

For Imperial Assassin Silus, this is…