It is the 31st millennium. Under the benevolent leadership of the Immortal Emperor, the Imperium of Man hasstretched out across the galaxy. It is a golden age of discovery and conquest. But now, on the eve of victory, the Emperor leaves the front lines, entrusting the great crusade to his favourite son, Horus. Promoted to Warmaster, can the idealistic Horus carry out the Emperor's grand plan, or will this promotion sow the seeds of heresy amongst his brothers?

Lieutenant Heyd Calder is a Primaris Marine whose mastery of warfare is matched only by his diplomatic prowess. Under the orders of Roboute Guilliman, he is deployed to Almace, a minor seat of the Ecclesiarchy, to protect the world at whatever cost. Yet even as diabolical forces leer from the system's edge, Calder discovers that the capital's Cardinal-Governor, a sharp, inscrutable figure of spiritual and material authority, is hiding something. When it becomes clear that conquest is not the enemy’s sole aim, Calder resolves to uncover the secret of Almace. 

When the world of Armageddon is attacked by orks, the Black Templars Space Marine Chapter are amongst those sent to liberate it. Chaplain Grimaldus and a band of Black Templars are charged with the defence of Hive Helsreach from the xenos invaders in one of the many battle zones. But as the orks' numbers grow and the Space Marines' numbers dwindle, Grimaldus faces a desperate last stand in an Imperial temple.

The Inquisition moves amongst mankind like an avenging shadow, striking down the enemies of humanity with uncompromising ruthlessness. When he finally corners an old foe, Inquisitor Gregor Eisenhorn is drawn into a sinister conspiracy. As events unfold and he gathers allies - and enemies - Eisenhorn faces a vast interstellar cabal and the dark power of daemons, all racing to recover an arcane text of abominable power: an ancient tome known as the Necroteuch.

The scattered worlds of the Elara's Veil nebula were once protected by the oath of unity sworn by three mighty Chapters of the Adeptus Astartes. The Star Scorpions were undone by flaws in their genetic coding. The Celestial Lions were ravaged by the Inquisition for sins they did not commit. Now, after hundreds of years, only the Emperor's Spears still keep their vigil. They are barbarian watchmen against the Outer Dark, bloodied but unbroken in their long duty.   

The Night Lords were once among the most potent forces of the Imperium, Space Marines who used fear itself as their weapon. Now, cast adrift from the Emperor's light and hunted as heretics after their monstrous betrayal, the Night Lords clad themselves in symbols of death and fight the Long War, bringing pain and terror to all who worship the corpse-god of Terra. A summons from Warmaster Abaddon sends these rebels on a dangerous journey that leads inexorably to a conflict with the Emperor's chosen warriors, the Blood Angels.  

With the birth of the Cicatrix Maledictum the Imperium of Mankind suffers as never before. Conflict and corruption is rife on every front and precious little hope remains, save for those who hold to their faith when faced with destruction.... Denied a martyr’s death during the battle for Ophelia VII, Sister Evangeline of the Order of Our Martyred Lady is blessed with a new and grave duty: to embark on a pilgrimage beyond the Great Rift to recover a precious and powerful artefact - the Shield of Saint Katherine.

Gotrek Gurnisson was the greatest monster slayer of the age, who met his doom at the End Times. The heroic duardin stepped forth into the Realm of Chaos to fight the daemons gnawing at the world's ending and satisfy his death oath, leaving behind his companion Felix Jaeger. Now Gotrek has returned, having outlived the old gods and the Old World. Spat from the ruinous depths with his redemption unfulfilled, he emerges into the Mortal Realms, a strange new world where gods walk the earth and dark forces are ascendant. Nothing is as he remembers.

After fleeing the authorities in the Imperial city of Altdorf, Felix Jaeger swears a drunken oath to dour dwarf Gotrek Gurnisson to record his death saga. In the cold light of day, Felix's worst fears are confirmed as he learns that Gotrek is a Trollslayer - a dwarf doomed to seek out a heroic death in battle to atone for an unknown personal disgrace. Their travels throw them into a string of extraordinary adventures as Felix tries to survive his companion's destiny.   

The Custodian Guard have stood watch over the Emperor's Palace on Terra since the foundation of the Imperium. Charged with protecting the Master of Mankind from all threats, within and without, their fearsome resolve is renowned throughout the galaxy, and their golden armour is the last thing that a would-be assassin or saboteur will ever see.

The Blood Angels Chapter of Space Marines is under threat. Having obliterated all human life in the Red Scar region of space, the largest tendril of Hivefleet Leviathan ever seen in the Imperium has converged and is making relentlessly for Baal. To face this awesome foe, Commander Dante has called upon the Successor Chapters of the ancient Ninth Legion. The Sons of Sanguinius gather in numbers not seen since the dark days of the Horus Heresy. 

In the bleak, haunted underworld of Shyish, a vengeful Slayer seeks the Lord of Undeath. Gotrek Gurnisson returns, his oaths now ashes alongside the world-that-was, his fury undiminished. Branded with the Master Rune of Grimnir, the God that betrayed him, and joined by Maleneth Witchblade, a former Daughter of Khaine turned agent of the Order of Azyr, the hunt has taken them far and wide through the Realm of Death. Will Gotrek find a path to the Undying King or will the underworlds claim him as their own?  

Under almost constant besiegement by the hosts pouring from the Eye of Terror, Cadia acts as a bulwark against tyranny and death. Its fortresses and armies have held back the hordes of Chaos for centuries, but that grim defiance is about to reach its end. As Abaddon's Thirteenth Black Crusade batters Cadia's defences, and armies of the Imperium flock to reinforce this crucial world, a terrible ritual long in the making comes to fruition and the delicate balance of this brutal war shifts.

When his body is hideously damaged in an enemy attack, it looks as though Inquisitor Gideon Ravenor's promising career would be abruptly brought short. Now, encased in a life support sytem that keeps him alive but forever cuts him off from the physical world, Ravenor utilises his formidable mental powers to continue his investigations. Along with his retinue of warriors and assassins, Gideon Ravenor fights to protect an Imperium he can no longer see, hear or feel.

On an Imperial outpost world on the fringes of tau space, the renowned Commissar Ciaphas Cain and his fractious regiment of Valhallan Guard, newly created from the remnants of two devastated units, find themselves in the middle of a war. As the Astra Militarum struggle to contain worldwide civil insurrection, can the wily Commissar Cain identify the real villain before the planet is lost to the Imperium forever?