Ian James Ross Books in Order

Promoted to Constantine's imperial bodyguard after saving the emperor, Aurelius Castus enters a court riddled with conspiracies. His new position exposes him to betrayals and dangerous ambitions that threaten both his survival and Rome's future.

Centurion Aurelius Castus escorts a Roman envoy beyond Hadrian's Wall after the mysterious death of a Pictish king. When negotiations collapse into violence, he must keep his men alive while uncovering the deception behind their mission.

Newly promoted tribune Aurelius Castus leaves a comfortable family life to help Constantine wrest Rome from Maxentius. The campaign draws him into dangerous events beyond his control, while uncertainty reaches even into his marriage.

Aging commander Aurelius Castus discovers that Constantine's son plans to overthrow the emperor as civil war approaches its final campaign. Pursued by a brutal torturer, Castus must weigh his loyalty against honor and the struggle to survive.

Ordered to command Rome's forces on the Rhine after a destabilizing murder, Aurelius Castus confronts shifting loyalties along the frontier. Protecting Constantine's heir and his own son demands that he identify enemies concealed among supposed allies.

Summoned from retirement as war with Persia threatens, Aurelius Castus reluctantly returns to defend Rome's eastern frontier. Tragedy within Constantine's household complicates his mission, while age forces him to question whether he can withstand another brutal campaign.