Nathaniel Garro and the Knights-Errant offer a tantalising answer to a question many fans of Warhammer 40,000 and the Horus Heresy have asked themselves - did every member of the traitor Legions turn against the Imperium? This collection of stories follows some few Astartes who turned on their Legion rather than their emperor or else became blackshields - renegades in that grey space somewhere between loyalty and betrayal. 

Learn more about legendary characters from the ranks of the xenos and the Traitor Astartes, including Ahriman of the Thousand Sons, Fabius Bile of the Emperor's Children, Asurmen of the Craftworld Aeldari and more. Explore these fan-favourite characters as written by Black Library stalwarts including Aaron Dembski-Bowden, John French and Guy Haley.  

Legend tells of a foolhardy expedition, led by the radical Magos Telok, that ventured out into the unknown space beyond the Halo Worlds in search of the 'Breath of the Gods' - an arcane device with the power to unmake and reshape the very stars themselves. Thousands of years later, the ambitious Lexell Kotov musters his Adeptus Mechanicus Explorator fleet and sets out to follow in mad old Telok's footsteps. 

Packed with slaughter and swordplay, these audio dramas, written by Black Library authors including Gav Thorpe, James Swallow, Ben Counter and more, offer fresh insight into two of the Imperium's most beloved fighting forces. 

The Chambers Militant of the Inquisition fight their battles against heretics, xenos and daemons. These audio dramas shed new light on these dark missions of critical importance to humanity’s survival. Those of the Imperial Inquisition consider themselves all that stands between the Imperium of Mankind and the Ruinous Powers - it's a demanding occupation that can occasionally lead them to make some morally ambiguous decisions. Get inside the heads of some of the Imperium's most intense civil servants with this collection of thrilling - and intriguing - audio dramas.

The Chambers Militant of the Inquisition fight their battles against heretics, xenos and daemons. These audio dramas shed new light on these dark missions of critical importance to humanity’s survival. Those of the Imperial Inquisition consider themselves all that stands between the Imperium of Mankind and the Ruinous Powers - it's a demanding occupation that can occasionally lead them to make some morally ambiguous decisions. Get inside the heads of some of the Imperium's most intense civil servants with this collection of thrilling - and intriguing - audio dramas.

For a thousand years, the Sabbat Worlds have been lost to the Imperium, claimed by the dread powers of Chaos. Now, a mighty crusade seeks to return the sector to Imperial rule. And at the forefront of that crusade are Colonel-Commissar Ibram Gaunt and the Tanith First and Only - better known as Gaunt’s Ghosts. Trapped in the grinding trench warfare of Fortis Binary, the Ghosts find themselves drawn into a conspiracy to assassinate the crusade’s leader, Warmaster Macaroth.

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.

He is known by many names - Clonelord, Manflayer, Primogenitor. He is the epitome of deceit and perversion, and feared by man and monster alike. Once the Chief Apothecary of the Emperor's Children, the madman known as Fabius Bile possesses a knowledge of genetic manipulation second to none.

Constantin Valdor. It is a name that brings forth images of heroism, honour and peerless duty. For it is he who commands the will of the Legio Custodes that most esteemed and dedicated cadre of elite warriors. He is the Emperor’s sword, His shield, His banner and he knows no equal. Clad in shining auramite, his fist clenched around the haft of his Guardian Spear, he is the bulwark against all enemies of the throne, within or without. Nearing the end of the wars of Unity, Valdor’s courage and purpose is put to the test as never before. 

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.  

On the war-torn world of Croatoas, the armies of the Astra Militarum do battle with the twisted servants of the Ruinous Powers. Against the backdrop of this increasingly desperate conflict, tanker Hadeya Etsul finds herself consolidated into a Cadian regiment, and placed in command of the Leman Russ Demolisher Steel Tread. Haunted by nightmares, surrounded by a dysfunctional crew and striving to find her place amidst a proud and insular regiment with a culture so different from her own, Etsul must guide her crew to victory. 

After seven years of bitter war, the end has come at last for the conflict known infamously as the Horus Heresy. Terra now lies within the Warmaster’s sights, the Throneworld and the seat of his father’s rule. Horus’ desire is nothing less than the death of the Emperor of Mankind and the utter subjugation of the Imperium. He has become the ascendant vessel of Chaos and amassed a terrible army with which to enact his will and vengeance. But the way to the Throne will be hard as the primarch Rogal Dorn, the Praetorian and protector of Terra, marshals the defences.

Of all the Emperor’s sons who fell to Chaos, it is perhaps Magnus the Red whose tale is the most tragic. Sanctioned because of his desire for knowledge, chastised, judged, and shattered to his very elements – there is much for the Crimson King to feel vengeful for. Yet revenge is not the only thing that draws him to Terra alongside the Warmaster’s besieging armies. He seeks something, a fragment, the missing piece of himself that lies within the most impregnable place on the planet – the inner sanctum of the Imperial Palace.

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?