Long before the coming of the Imperium, the realm of Ultramar was ruled by Roboute Guilliman, the last Battle King of Macragge. Even after learning of his true heritage as a primarch son of the Emperor of Mankind, he strove to expand his domain as efficiently and benevolently as possible, with the XIII Legion Ultramarines as his alone to command. Now, facing a rival empire on the ork-held world of Thoas, Guilliman must choose his weapons carefully – otherwise his dream of a brighter future could be lost forever.

Read it because
It's the start of a brand new series of 18 books focusing on the greatest of heroes, the primarchs themselves. This volume kicks it all off with a tale of Roboute Guilliman at the height of his powers, leading his legion into battle at the apex of the Great Crusade.

Many are the sagas of Leman Russ, Lord of Winter and War, most fearsome of the Emperor's primarch sons. At the height of the Great Crusade, his Space Wolves fight to bring the rebel world of Dulan to compliance. Enraged by the defiance of the tyrant there Russ has pledged to strike him down personally - but his brother Lion El'Johnson of the Dark Angels advises more caution. With the might of two Legions arrayed against Dulan, tensions nevertheless run high, and the rivalry between the Wolf and the Lion threatens to engulf them all..

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It's one of the definitive events from Warhammer 40,000 lore, the origins of the ten-millennium-long enmity between the Space Wolves and the Dark Angels. It's a tale that fans have been waiting to read for decades… and now you can.

Lord of the mystical and uncanny, Magnus the Red has long studied the ancient crafts of sorcery. A psyker without peer, save only for the Emperor himself, he commands his loyal followers of the Thousand Sons Legion in the Great Crusade, though also vigilant for any lost knowledge they might recover from the remains of dead human civilisations. Now, fighting alongside his brother Perturabo of the Iron Warriors, Magnus begins to foresee an approaching nexus of fate - will he remain true to their mutual aims, or divert his own efforts towards furthering his own mastery of the warp?

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Graham McNeill returns to a character he brought to life in the Horus Heresy series to tell a definitive tale of the one-eyed primarch.

Born to a life of political conflict, Perturabo was always considered a child prodigy among the people of Olympia – indeed, his philosophical and scientific works were beyond compare. But then, after his rediscovery by the Emperor and decades of thankless military campaigning on the Great Crusade, the primarch begins to resent his Legion’s place in the Imperium. When word reaches him of turmoil on his adoptive home world, he orders the Iron Warriors to abandon their campaign against the alien hrud and crush this emerging rebellion by any means necessary...

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Focusing on Perturabo during his youth on Olympia, in the Great Crusade and upon his return to the world that defined him, this is a definitive look at what makes the master of iron tick.

On the world of Colchis, mighty religions rule a decaying society in the name of absent gods – until the arrival of Lorgar. Primarch, prophet, leader of destiny, the Golden One is raised by Kor Phaeron, priest of the Covenant, to be his weapon in a quest for power. As religious war spreads across the planet, spearheaded by the Brotherhood of Lorgar, the primarch is plagued by visions of the future and the coming of the Emperor. To find his place in this new order, he must reach balance between the teachings of his adopted father Kor Phaeron, and the fate that he knows awaits him among the stars.

Read it because
We've seen Lorgar's fall to Chaos and rise as the high priest of Horus's rebellion, but for the first time, the full story of Lorgar's time on Colchis and Kor Phaeron's part in his childhood is told.

Lord of Chemos and bearer of the Palatine Aquila, Fulgrim, primarch of the Emperor’s Children, is determined to take his rightful place in the Great Crusade, whatever the cost. A swordsman without equal, the Phoenician has long studied the art of war and grows impatient to put his skills, and those of his loyal followers, to a true test. Now, accompanied by only seven of his finest warriors, he seeks to bring a rebellious world into compliance, by any means necessary. But Fulgrim soon learns that no victory comes without cost, and the greater the triumph, the greater the price one must pay...

Read it Because
It's a unique look at Fulgrim, always one of the most fascinating of the primarchs. And with a focus on him and a small band of heroes, you're guaranteed explosions in character dynamics as well as the action…

THE STORY
The Great Crusade has swept across half the galaxy, a million human worlds now embracing the truth and reason that comes with allegiance to the rule of Terra. But even such unparalleled success comes at a cost. Rumours abound that the Emperor plans to step back from the Crusade and raise one of his primarch sons to lead in his stead. Faced with the bitterly non-compliant human empire of Gardinaal and a leaderless host of Ultramarines, Thousand Sons and Emperor’s Children at his Legion’s command, the Iron Hands primarch Ferrus Manus decides to make an example that even the Emperor cannot ignore.

Written by David Guymer

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It's not too often you get to read about the infamously dead primarch, what with his unfortunate demise taking place at the start of the Heresy – so this should be fascinating!

Ever since the Imperium's discovery of Chogoris, the White Scars' culture of warrior mysticism has sat uneasily with the ideals of Unity. As the Crusade burns across the stars, their enigmatic primarch Jaghatai Khan fights to preserve their distinctiveness amid a galaxy where cold rationality holds sway. Despite his self-imposed isolation, others in the brotherhood of primarchs seek to draw him into the greatest ideological battle of them all – the place of psychic power within the Legions. As the librarius project is born, and opposition to it grows, the Khan must decide where his greatest allegiance lies – to the Imperial Truth, or to his own heritage.

Read it Because
Chris Wraight returns to the Khan of Khans with a tale set at the height of the Great Crusade and showing the momentous decisions that, in some ways, led to the darkest events of the Horus Heresy.

As the Emperor marshals his armies to reclaim the galaxy for the glory of mankind, one by one his Space Marine Legions are reunited with their missing primarchs. The XVIII Legion are still waiting to find their true identity, unaware their own lord has been found. In the Taras Division, legionaries face annihilation as they take a last, desperate stand against a monstrous ork invasion. Meanwhile, on Nocturne, Vulkan has raised and trained a new force of warriors. Now it is the time for him to lead his sons into battle. Now it is the time for him to truly don the mantle of primarch, not only to save one half of his Legion, but forge a new, indivisible whole.

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It's an untold tale from the earliest days of the Salamanders, as they are united with Vulkan for the first time. With their very existence in the balance, can they be forged into one indivisible whole?

A Primarchs novel

When a dread bio-weapon is unleashed in battle, turning allies upon one another, it falls to Corax and his Raven Guard to save the day – if he can balance his thirst for vengeance against the need for swift victory.

READ IT BECAUSE
We've seen Corax consumed with revenge throughout the Horus Heresy – now is our opportunity to see him before his brush with Chaos, heroically saving a campaign during the Great Crusade.

THE STORY
During the Great Crusade, it falls to the primarch Corax of the Raven Guard to humble the immense void-cities of the Carinae. Determined to bring these worlds into compliance, he unleashes the might of his Legion and a massive war host of the Imperial Army. But the lords of Carinae are well defended and without remorse.

At the height of the conflict, at the void-city of Zenith, a dread bio-weapon from an ancient time is unleashed. At once, the Imperial force is brought to its knees, as allies are turned against each other and the Raven Guard left to face almost insurmountable odds. As the campaign teeters on the brink of failure, Corax’s desire for vengeance is severely tested against the need for a swift and certain resolution to the war.

Written by Guy Haley

A Primarchs Novel

The Twelfth Primarch has been found! United with the War Hounds – now renamed the World Eaters – the gladiator Angron gives his sons an ultimatum that will change their very nature, and their destiny.

READ IT BECAUSE
You've seen the immediate aftermath of Angron's recruitment into the Imperium in the short story 'After Desh'ea' – now Ian St. Martin brings us the details of what happened next, and the World Eaters' adoption of the Butcher's Nails.

THE STORY
As the Emperor travels the galaxy at the head of his Great Crusade, few events are as important as rediscovering his scattered sons, the Primarchs, and bestowing them as the masters of their Legions. United, a Legion becomes a reflection of its Primarch, both in his strengths and his flaws. For the Twelfth Legion, once the War Hounds and now the World Eaters, the line between strength and flaw is almost impossible to separate. Placed in command of a Legion he does not want, in service to a father he cannot forgive, Angron gives an ultimatum to his children, one that will set them down a path that they can never return from. So desperate for his acknowledgement, will the World Eaters follow their father and cast themselves in his broken image or will they resist? And will any of them ever learn who their father was truly meant to be?

Written by Ian St. Martin

A Horus Heresy: Primarchs novel

Few among the legendary primarchs are as feared as Konrad Curze, the Night Haunter. Even before his fall to darkness, he was a sinister legend, a remorseless killer. This is his story.

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The Night Haunter is a fascinating character, a man who could have been a hero, but for the daemons that plague him, the result of his nightmarish visions of a future he helps to create. Guy Haley delves into this lord of the night, in a story you'll never forget…

THE STORY
Of all the Emperor’s immortal sons, the primarchs, it is Konrad Curze whose legend is the darkest. Born in the shadows of Nostramo, a world of murderers, thieves and worse, is it any surprise that he became the figure of dread known only as the Night Haunter? Heed now the tragic story of the creature Konrad Curze, master of the Night Lords Legion, of how he became a monster and a weapon of terror. He who once served the Imperium saw the truth in a maddening universe and the hypocrisy of a loveless father, and embraced the only thing that made any sense – darkness. From the blood-soaked gutters of his hiveworld upbringing, to the last days of his ill-fated existence, Curze is a primarch like no other and his tale is one to chill the very bone…

Written by Guy Haley

Book 13 of the Primarchs series

As the Emperor gathers His sons for an assault on Ullanor, the Lion instead battles on a world far from the light of the Imperium. What secrets lie there, and what do they mean for the Dark Angels?

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The Dark Angels have their secrets… and their primarch is no exception. Discover what the Lion was up to while the Great Crusade came to an end.

THE STORY

Each primarch is an exemplary being, derived from the Emperor’s own genetic stock to embody a facet of His personality. Their powers are unfathomable, but only one of them is the First. Lion El’Jonson is the paragon of what it is to be a primarch. His Legion, pre-eminent for most of their long history, typify the virtues of temperance, pride, and martial excellency that the Lion embodies. They are the Emperor’s last line and final sanction. They are His Dark Angels.

Now, while the Emperor gathers His mightiest sons for an assault on Ullanor Prime, the Lord of the First instead draws his Legion to the farthest reaches of the known galaxy, seeking to subdue a single rebellious world. Is this but another example of the Lion’s infamous pride, or is there more afoot amidst that graveyard of empires that is the Ghoul Stars, more than the Lion will share even with his own sons?

Written by David Guymer.

A Primarchs novel

Who better to relate the tale of Alpharius than the primarch himself? As he tells of his deeds, bear one thing in mind: nothing can be trusted when it comes from serpent's mouth.

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I am Alpharius… and so are you.

THE STORY

Legends abound of the glorious – or infamous – deeds of the Emperor's sons. Yet almost nothing is known of Alpharius, the most mysterious of them all, for the Lord of the Alpha Legion is unparalleled in the art of obfuscation. Such are his gifts of secrecy and deceit that even his rediscovery has remained an enigma – until now. But when the tale comes from the serpent’s mouth, where do the lies end and the truth begin?

Written by Mike Brooks

A Primarchs Novel

"Banish all thoughts of mercy, because mercy is the plaything of the coward and the lie of the tyrant. Today, the blade descends on tyranny's neck."

Mortarion makes his debut in the fifteenth Primarchs novel, and wastes no time in bringing his own brand of grim justice to the galaxy.

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The fifteenth instalment in The Horus Heresy Primarchs series, The Pale King tells of the atrocities committed by the Reaper in the name of justice – and the consequences of challenging his methods.

THE STORY
Once, the Galaspar System suffered under the cruel regime of the Order. Billions of people toiled endlessly to enrich their masters, enduring short lives of poverty, squalor and fear. But Galaspar’s sins did not go unnoticed by the Imperium, and so Death itself sentenced the Order to annihilation.

Mortarion, newly uplifted to commander of the Death Guard, descended upon the world, and with him came a slaughter of untold proportions. The sheer brutality of Mortarion’s campaign left the Imperium appalled. Seeking to understand its horrors, two noble primarchs have come to Galaspar, summoning their brother to account for his actions. But the Pale King brooks no challenge to his methods, for when the scythe falls, it reaps a gruesome toll.

Written By David Annandale

A Primarchs Novel

Rogal Dorn: The Emperor's Crusader is the sixteenth instalment in The Horus Heresy Primarchs series.

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Six decades into the Great Crusade, expansion has been swift – but the Emperor demands the boundaries of the Imperium grow even further. To this end, four Primarchs are tasked with securing systems beyond the Northern Major Warp Storm, the very presence of which blinds even the Emperor’s psychic sight.

THE STORY

As the Great Crusade enters its sixth decade, the fleets and armies of the Emperor spear out into the galaxy to bring the Imperial Truth to thousands of worlds. Expansion has been swift, but must now be tempered with consolidation. Even so, the Emperor demands that the boundaries of the Imperium be pushed further into the unknown.

The Master of Mankind tasks four primarchs with the dangerous mission of securing the worlds of the Occluda Noctis – hundreds of star systems on the far side of the Northern Major Warp Storm, whose warp-churning presence casts a shadow on the guiding light of the Astronomican and blinds even the Emperor’s psychic sight. Rogal Dorn leads his Imperial Fists directly into the heart of this cosmic twilight. Isolated, battling a foe the likes of which nobody has encountered before, Dorn must use all of his strategic genius and irresistible will to conquer the darkness in the name of the Emperor.

Written by Gav Thorpe

A Primarchs Novel

"I have always been the master of wretches, and have learned from that. I am a wretch myself, a non-standard. To purify and to transform – that has been our gift."

Sanguinius, the very image of an angel, has chosen to obscure the origins of his Legion, and prevents outsiders from setting foot on his home world. A remembrancer attempts to discover why.

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The 17th instalment of the Horus Heresy Primarchs series offers a glimpse of the Blood Angels Legion – and its celebrated primarch – from the outside, as we peer into the shrouded secrets of its past.

THE STORY

Sanguinius is the Great Angel, most beloved of all the primarchs, his mighty exploits celebrated throughout the entire Imperium as the Crusade expands into the void. And yet the origins of his Legion are shrouded in mystery and rumour, his unique physical form is an enigma, and his perilous home world remains off-limits to all but his own secretive people.

When a discredited remembrancer arrives with the expeditionary fleets to chronicle the primarch’s deeds, he has to work hard to uncover the truth behind the legends. As he accompanies the IX Legion to war against the enemies of the Emperor, the curious scholar comes to learn much more than he expected – not just about the subjects of his study, but also the nature of the Imperium itself.

Written by Chris Wraight