Rome, 90 BC. Quintus Sertorius is tired. Weary after eight years of warfare in Greece, the decorated hero longs to reunite with his family and repair their frayed bond. But no sooner has he returned than Rome is thrust into war again. This time, the attackers are their closest allies, the Italian tribes surrounding them. To make matters worse, Sertorius learns his son has joined the legion under the command of a scheming rival looking to exert leverage.

On the mist-shrouded Isle of Hibernia, now known as Ireland, 26 years have passed since the murder of the high king, Fiacha Finnolach. The usurper Elim of Ulster’s promises of peace and prosperity have come to naught, as drought and famine afflict the land. Across the Irish Sea, the Roman Governor of Britannia, Julius Agricola, is met with an intriguing proposition. Fiacha’s son, Tuathal Techtmar, born when his pregnant mother fled into exile, has grown to manhood. He seeks the aid of Rome in avenging his father and becoming High King of Hibernia.

Will Britain take him in... or mark him as its enemy? Faustus Valerianus is the son of a Roman father and a British mother, a captive sold among the spoils after Claudius’ invasion. When both parents die within a month of each other, he sells the family farm and enlists, joining legendary general Agricola’s campaign to conquer the entirety of the British Isles. But Faustus will have to contend with more than ferocious British warriors and whip-cracking elements. For the bonds of blood can weigh heavy on one’s soul. The call of his mother’s true people.

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. 

After a century of war, revolutions, and imperial conquests, 1790s Europe is still embroiled in a battle for control of the sea and colonies. Tall ships navigate familiar and foreign waters, and ambitious young men without rank or status seek their futures in naval commands. First Lieutenant Alexander Clay of the frigate Agrius is self-made, clever, and ready for the new age. But the old world, dominated by patronage, retains a tight hold on advancement.

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.

Bordeaux, 1367. Having angered the bloodthirsty Don Pedro, King of Castile, Sir Thomas Blackstone is thoroughly sick of his mission for the Prince of Wales, but must remain true to his oath. But this is the Hundred Years' War, and tensions are rising once more. With the Prince of Wales deeply unpopular in his Aquitainian lands, Blackstone, King Edward's Master of War, must return to French soil to help stem the tide of support for the King of France. Meanwhile, Henry, Blackstone's son, faces an incognito ride across France with his own motley band of outlaws and mercenaries.

Set in the years before and during the 1st Punic War, the series follows the exploits of a young, hot-headed swordsman. From a lad on his father's farm, to a Legion training camp, to the Capital of the Republic, Alerio Sisera learns that sharp steel and quick reflexes are not always a Legionary's best assets.

Aelar, a mighty nation, spreads its tentacles. Its oared galleys storm the seas, and the waters run red with blood. Its legionaries swarm desert ruins, smiting barbarian hordes. Its crosses line the roadsides, displaying the dying flesh of heroes. The powerful Sela family has avoided the empire until now. The family has carved out an idyllic life between sea and desert, ruling a bustling port, a thriving city, and lush vineyards.

When Senator Aulus Aemilius Galba is tapped to lead the first Roman mission to China, he anticipates an easy path to fame and fortune. Gaius Lucullus sees a bright military future, but his reluctant centurion Antonius Aristides would rather be somewhere else. Translators Marcia Lucia and her brother Marcus were taken from their village in China to serve the Han court, abused and despised, hiding a horrible secret.

Promoted to the elite Praetorian Guard in the thick of battle, a young legionary is thrust into a seedy world of imperial politics and corruption. Tasked with uncovering a plot against the newly crowned Emperor Commodus, his mission takes him from the cold Danubian border all the way to the heart of Rome, the villa of the Emperor’s scheming sister, and the great Colosseum. What seems a straightforward, if terrifying, assignment soon descends into Machiavellian treachery and peril as everything in which young Rufinus trusts and believes is called into question....

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.

Penda, a warrior of immense renown, has much to prove if he is to rule the Mercian kingdom of his dead father and prevent the neighboring king of Northumbria from claiming it. Unexpectedly allying with the British kings, Penda races to battle the alliance of the Northumbrian king, unsure if his brother stands with him or against him as they seek battle glory for themselves, and the right to rule gained through bloody conquest. There will be a victor and a bloody loser and a king will rise from the ashes of the great and terrible battle of Hædfeld.

AD 381. Five years have gone by since a Roman governor ordered the deaths of a Gothic king and his attendants at a feast in their honor. This disastrous act led to warfare in the Roman Empire and the death of the Emperor Valens. The Empire is now at peace, but the powerful brother of the murdered king has sworn revenge on the regicides, and will not rest until they are hunted down. For the eight legionaries who carried out the killings, the bloodshed is only just beginning.

AD 865. The fierce Vikings stormed onto Saxon soil hungry for spoils, conquest, and vengeance for the death of Ragnar Lothbrok. Hundr, a Northman with a dog's name...a crew of battle hardened warriors...and Ivar the Boneless. Amidst the invasion of Saxon England by the sons of Ragnar Lothbrok, Hundr joins a crew of Viking warriors under the command of Einar the Brawler. Hundr fights to forge a warriors reputation under the glare of Ivar and his equally fearsome brothers, but to do that he must battle the Saxons and treachery from within the Viking army itself...