'The story I now commence is rich in vicissitudes, grim with warfare, torn by civil strife, a tale of horror even during times of peace.’ Tacitus, The Histories AD 68. The Emperor Nero’s erratic and bloody reign is in its death throes when Gaius Valerius Verrens is dispatched to Rome on a mission that will bring it to a close. With Nero dead, the city holds its breath and awaits the arrival his successor, Servius Sulpicius Galba, governor of Hispania. The Empire prays for peace, but it prays in vain.

The first novel in Simon Scarrow's bestselling Roman series. It is 42 AD, and Quintus Licinius Cato has just arrived in Germany as a new recruit to the Second Legion, the toughest in the Roman army. If adjusting to the rigours of military life isn't difficult enough for the bookish young man, he also has to contend with the disgust of his colleagues when, because of his imperial connections, he is appointed a rank above them.

The Romans invaded Britannia in AD 43 confident of victory. They swept through a divided and ill-equipped enemy, scattered across tough terrain. But one man was not prepared to surrender. Caratacus - quick-witted youngest son of a a tribal king - had been trained from birth to be a warrior of power and grit. Sent to be schooled by the Druids in his boyhood, his training meant that an already strong and cunning prince returned to his father's kingdom as a war machine.

A desolate wasteland. A mission gone wrong. An impossible goal. 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, everything quickly goes wrong and Silus must run for his life, the head of the enemy leader in his hands. Little does he know the price he will pay... As Silus is inducted into the Arcani, an elite faction of assassins and spies, he must return to Caledonia and risk everything in the service of his Caesar.

The Roman grip on Britain is weakening. Emperor Nero has turned his face away from this far-flung outpost. The Druids are on the rise, spreading seeds of rebellion among the British tribes. Roman cruelty and exploitation has angered their British subjects. The warrior queen Boudicca will lead the tribes to war. Standing against the rising tide of Boudicca's rebellion is Roman Tribune, Gaius Valerius Verrens, Commander of the veteran legions at Colonia.