WARRIOR. As winter approaches in 74 BC, few travellers are abroad. But one man is making the long and weary last stage of his way home. Large parts of his homeland, Thrace, a land north of Greece, has fallen under the hated power of Rome. This Thracian has fought in the Roman legions for nearly a decade. Skilled, hardened in battle, a sophisticated fighter. Spartacus. SLAVE. But home is no longer the safe haven of his imagination. A new king sits on the throne.

England, 1346: For Thomas Blackstone, the choice is easy - dance on the end of a rope for a murder he did not commit, or take up his war bow and join the king's invasion. As he fights his way across northern France, Blackstone learns the brutal lessons of war - from the terror and confusion of his first taste of combat, to the savage realities of siege warfare.

It is 58 BC, and the mighty Tenth Legion, camped in Northern Italy, prepare for the arrival of the most notorious general in Roman history: Julius Caesar. Marcus Falerius Fronto, commander of the Tenth, is a career soldier and long-time companion of Caesar's. Despite his desire for the simplicity of the military life, he cannot help but be drawn into intrigue and politics as Caesar engineers a motive to invade the lands of Gaul.

Romulus and Fabiola are twins, born into slavery after their mother is raped by a drunken nobleman on his way home from a good night out. At 13 years old, they and their mother are sold: Romulus to gladiator school, Fabiola into prostitution, where she will catch the eye of one of the most powerful men in Rome, and their mother into obscurity and death in the salt mines. Tarquinius is an Etruscan, a warrior and soothsayer, born enemy of Rome, but doomed to fight for the Republic in the Forgotten Legion.

The mighty slave army, led by Spartacus, has carried all before it, scattering the legions of Rome. Three praetors, two consuls and one proconsul have been defeated. Spartacus seems invincible as he marches towards the Alps and freedom. But storm clouds are massing on the horizon. Crixus the Gaul defects, taking all his men with him. Crassus, the richest man in Rome, begins to raise a formidable army, tasked specifically with the defeat of Spartacus

1179. Henry II is King of England, Wales, Ireland, Normandy, Brittany and Aquitaine. The House of Plantagenet reigns supreme. But there is unrest in Henry's house. Not for the first time, his family talks of rebellion. Ferdia - an Irish nobleman taken captive during the conquest of his homeland - saves the life of Richard, the king's son. In reward for his bravery, he is made squire to Richard, who is already a renowned warrior. Crossing the English Channel, the two are plunged into a campaign to crush rebels in Aquitaine.

1812. On the eve of the invasion of Russia, half-French, half-English Matthieu Carrey finds himself in the ranks of Napoleon's five hundred thousand strong army. With Tsar Alexander seemingly ill-prepared, a French victory seems certain. The Grande Armée will obliterate everything in its path. Carrey's purpose is less clear. Blackmailed into becoming a spy in the emperor's army, he hopes to follow his lover, a French actress who has gone to work in the Moscow theatre. Food and fodder grow scarce.

When a new empire rises, and old one must fall. After 16 years of bloody war against Rome, Hannibal Barca is on the verge of defeat. On the plains of Zama, Felix and his brother Antonius stand in the formidable Roman legions, ready to deliver the decisive blow. Victory will establish Rome as the pre-eminent power in the ancient world. But in northern Greece, Philip V of Macedon is determined to restore Alexander the Great's kingdom to its former glory.

Arimnestos is a farm boy when war breaks out between the citizens of his native Plataea and their overbearing neighbours, Thebes. Standing in the battle line for the first time, alongside his father and brother, he shares in a famous and unlikely victory. But after being knocked unconscious in the melee, he awakes not a hero but a slave. Betrayed by his jealous and cowardly cousin, the freedom he fought for has now vanished, and he becomes the property of a rich citizen.

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.

25 BC. Titus Cervianus is no ordinary soldier. A former surgeon from the city of Ancyra, he's now a capsarius—a combat medic. Cervianus is a pragmatist, a scientist and truly unpopular with his legion. The Twenty Second Deiotariana have been sent to deal with uprisings and chaos in Egypt. Yet the Twenty Second is no ordinary legion either. Founded as the private royal army of one of Rome's most devoted allies, the king of Galatia, their ways are not the same as the other legions, a factor that sets them apart and causes friction with their fellow soldiers.

The Dacian kingdom and Rome are at peace, but no one thinks that it will last. Sent to command an isolated fort beyond the Danube, centurion Flavius Ferox can sense that war is coming but also knows that enemies may be closer to home. Many of the Brigantes under his command are former rebels and convicts, as likely to kill him as obey an order. And then there is Hadrian, the emperor's cousin, and a man with plans of his own.

Anno Domini 1040. Christianity has swept unstoppably across Scandinavia, leaving few enclaves of the old ways clinging on to their fading world as King Olof of Sweden works to convert his people. A young warrior, Halfdan, has witnessed the ‘mercy' of the Christian lords, watched his people attacked, his village burned and the Odin stone toppled as heretical. Watched his father cut down by an ambitious Christian jarl and his zealous priest. Among the ashes of his world, he vowed an oath of vengeance before all the gods.

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.

Lindisfarne, AD 793. There had been portents - famine, whirlwinds, lightning from clear skies, serpents seen flying through the air. But when the raiders came, no one was prepared. They came from the North, their dragon-prowed longships gliding out of the dawn mist as they descended on the kingdom's most sacred site. It is 8th June AD 793, and with the pillage of the monastery on Lindisfarne, the Viking Age has begun. While his fellow monks flee before the Norse onslaught, one young novice stands his ground.