Opal is a gleaming shrine world of saints and soldiers, beloved of the Emperor Himself. Sent to retrieve the skull of the revered Saint Veres, Sister Superior Augusta of the Order of the Bloody Rose and her squad find themselves in the midst of the capital’s holiest festival, a time of reverence and celebration. But all is not well – despite what its planetary leaders would have Augusta believe, political danger bubbles under the surface, and rebel attacks gnaw away at the city’s outskirts. The greatest threat, however, is yet to come.

Valorous Heart. Our Martyred Lady. Bloody Rose. These names of Adepta Sororitas orders are famed across the galaxy, as are the Battle Sisters who serve the emperor's will. To die in the name of the God-Emperor of Mankind is to live eternal, and none are more willing to bleed in his name than the Adepta Sororitas - the Sisters of Battle. The Book of Martyrs charts the deaths of these exemplars.

In the grim nightmare future of the 41st millennium, the witch-hunting zealots of the the Sisters of Battle stand between humanity and damnation. From the elite Seraphim warriors to the berserk Sisters Repentia, they are the strong arm of the Ecclesiarchy and the brutal hammer of witches. When dangerous psychic heretic Torris Vaun escapes from her custody, Seraphim Miriya is disgraced in the eyes of her fellow sisters and superiors. Following Vaun's trail to the planet Neva, Miriya takes her sisters in pursuit and, along with Hospitalier Sister Verity, starts her investigations.

When a mysterious messenger contacts the Adepta Sororitas, Celestian Miriya must travel to Hollos and pass judgment on the world. Will she find a world embracing the Emperor's truth or one in need of cleansing? Her decision will liberate or condemn an entire planet.

In the far reaches of Imperial space, a ferocious warp storm approaches an Administratum world, cutting off the entire planet from the rest of the Imperium. As their towering grey spires are punished by endless rain, countless administrators, tithe-masters, and book-keepers are forced to evacuate. Among them is Greta, a lowly data-drone with a terrible secret, wanted for questioning by the sadistic Imperial interrogator Stefan Crucius. As disaster strikes and the pair are left stranded in the depths of the drowning city, captor and captive must cooperate.

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.

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.

The wind screams. The dark night is freezing. Vossk, a Vostroyan Firstborn, shrinks into a rock against a howl of memories. Having disgraced himself by deserting his post during a terrifying encounter, Vossk had resigned himself to penal servitude, though yearned for the chance to redeem himself. But in the 41st Millennium, such dreams are hollow when a man’s reality has been shaken to his core. Found in the shadows of a pitiless cave, Vossk relives his tale to his rescuer....

In the immense city of Varangantua, life is cheap, but mistakes are expensive. When Probator Agusto Zidarov of the city’s enforcers is charged with locating the missing scion of a wealthy family, he knows full well that the chances of finding him alive are slight. The people demanding answers, though, are powerful and ruthless, and he is soon immersed in a world of criminal cartels and corporate warfare where even an enforcer’s survival is far from guaranteed.

With her mighty wings spread wide and Ardent Blade aflame, Saint Celestine is the living embodiment of the God-Emperor’s wrath. Her halo blazes like a star upon the smog-wreathed, blood-soaked battlefields of the 41st Millennium; its holy light leading the faithful to victory time and time again. As heretics and daemons tear at her flesh, she calls down fires of retribution from on high to smite the wicked and unrighteous. If she is to fall in battle, none should mourn as she is Celestine, the Living Saint, and death is her duty.

For Ianthe, war is all too familiar. A former soldier in the Astra Militarum, she now serves Inquisitor Covenant as an agent of the Throne. Her first mission sees her investigating a cult called the Children of Eternity. Falling foul of the local Enforcers, Ianthe soon learns that war in the shadows is seldom straightforward and that the local, angry law-keepers are the least of her troubles.

Throughout the tortured galaxy, Ephrael Stern is known by many names. The Thrice-born. The Daemonifuge. The Heretic Saint. Trapped deep within Imperium Nihilus following the coming of the Great Rift, the maligned Sister of Battle fears the Imperium is no more. The God-Emperor’s light, which has guided her through centuries of strife, has too extinguished. Seemingly forsaken, Stern is bereft until a mysterious stranger arrives, offering her a new destiny. One that might yet see the Imperium saved. Stern must prove herself worthy of the God-Emperor’s grace once more.

For nearly 10 millennia, the Crimson Fists waged war against the enemies of mankind from their home planet of Rynn's World. And then, in one cataclysmic event, Rynn's World fell, despoiled by the hordes of the orks. Six months later, Chapter Master Pedro Kantor leads the shattered remnants of his Space Marines in pursuit of a force of greenskins still clinging to life in the mountains of the devastated world.

Before the being called the Emperor revealed himself, before the rise of the aeldari, before the necrontyr traded their flesh for immortal metal, the world was born in violence. Even when they inhabited bodies of flesh, Trazyn the Infinite and Orikan the Diviner were polar opposites. Trazyn, a collector of historical oddities, presides over a gallery full of the most dangerous artefacts - and people - of the galactic past. Orikan, a chronomancer without peer, draws zodiacs that predict and manipulate the future.

Inquisitor Greyfax and a retinue of incorruptible Grey Knights are sent on a mission by the reborn Primarch Guilliman to recover the Eye of Night, a fabled artefact of Ruin that could weaken the Great Rift. It will be no easy task as Greyfax – with the aid of a long dead inquisitor – must journey into the Eye of Terror itself and challenge a traitor of a truly ancient pedigree, the crone Moriana.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

It’s 1984, and life has changed beyond recognition. Airstrip One, formerly known as Great Britain, is a place where Big Brother is always watching, and nobody can hide. Except, perhaps, for Winston Smith. Whilst working at the Ministry of Truth, rewriting history, he secretly dreams of freedom. And in a world where love and sex are forbidden, where it’s hard to distinguish between friend and foe, he meets Julia and O’Brien and vows to rebel.

Inheriting your uncle's supervillain business is more complicated than you might think. Particularly when you discover who's running the place. Charlie's life is going nowhere fast. A divorced substitute teacher living with his cat in a house his siblings want to sell, all he wants is to open a pub downtown, if only the bank will approve his loan. Then his long-lost uncle Jake dies and leaves his supervillain business (complete with island volcano lair) to Charlie. But becoming a supervillain isn't all giant laser death rays and lava pits.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

Valorous Heart. Our Martyred Lady. Bloody Rose. These names of Adepta Sororitas orders are famed across the galaxy, as are the Battle Sisters who serve the emperor's will. To die in the name of the God-Emperor of Mankind is to live eternal, and none are more willing to bleed in his name than the Adepta Sororitas - the Sisters of Battle. The Book of Martyrs charts the deaths of these exemplars.

During the turbulent Reign of Blood, a great schism in the Imperial Ecclesiarchy threatened all of Terra and promised a darkness to rival the terrors of Old Night. Fell times have come again to the Imperium, and a War of Faith appears inevitable. Standing in the way of catastrophe is Celestine, the Living Saint and one of the greatest heroes of the age. Only she can reunite the warring factions of the Ecclesiarchy and prevent a second Reign of Blood.

With her mighty wings spread wide and Ardent Blade aflame, Saint Celestine is the living embodiment of the God-Emperor’s wrath. Her halo blazes like a star upon the smog-wreathed, blood-soaked battlefields of the 41st Millennium; its holy light leading the faithful to victory time and time again. As heretics and daemons tear at her flesh, she calls down fires of retribution from on high to smite the wicked and unrighteous. If she is to fall in battle, none should mourn as she is Celestine, the Living Saint, and death is her duty.

Opal is a gleaming shrine world of saints and soldiers, beloved of the Emperor Himself. Sent to retrieve the skull of the revered Saint Veres, Sister Superior Augusta of the Order of the Bloody Rose and her squad find themselves in the midst of the capital’s holiest festival, a time of reverence and celebration. But all is not well – despite what its planetary leaders would have Augusta believe, political danger bubbles under the surface, and rebel attacks gnaw away at the city’s outskirts. The greatest threat, however, is yet to come.

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.

The Sisters of Battle are the Emperor's most devout worshippers, fierce warriors preaching the purity of the Imperium and scourging their enemies with bolter and flamer. On a distant world, the Ecclesiarchy outpost of Sanctuary 101 was wiped out by an implacable foe - the fearless, soulless necrons. Now, a mission of the Sisterhood has returned to reconsecrate the site - but the metallic nightmares still lurk in the darkness, guarding a secret that has lain dormant for millennia.

For Ianthe, war is all too familiar. A former soldier in the Astra Militarum, she now serves Inquisitor Covenant as an agent of the Throne. Her first mission sees her investigating a cult called the Children of Eternity. Falling foul of the local Enforcers, Ianthe soon learns that war in the shadows is seldom straightforward and that the local, angry law-keepers are the least of her troubles.

When a mysterious messenger contacts the Adepta Sororitas, Celestian Miriya must travel to Hollos and pass judgment on the world. Will she find a world embracing the Emperor's truth or one in need of cleansing? Her decision will liberate or condemn an entire planet.

Throughout the tortured galaxy, Ephrael Stern is known by many names. The Thrice-born. The Daemonifuge. The Heretic Saint. Trapped deep within Imperium Nihilus following the coming of the Great Rift, the maligned Sister of Battle fears the Imperium is no more. The God-Emperor’s light, which has guided her through centuries of strife, has too extinguished. Seemingly forsaken, Stern is bereft until a mysterious stranger arrives, offering her a new destiny. One that might yet see the Imperium saved. Stern must prove herself worthy of the God-Emperor’s grace once more.

Celestian Sacresant Aveline, of the Order of the Sacred Rose, has a final, sacred duty to perform before joining the battle for Cadia – securing Orison VIII, a minor shrine world in the Cadian Gate. But when a simple mission to hunt down a Chaos sorcerer becomes a deadly game of cat and mouse, an ancient evil is uncovered – an evil that knows her name. Should Aveline be unsuccessful in defeating this new threat, Holy Terra itself will pay for her failure in blood.

When a monster from myth threatens the cardinal world of Ophelia VII, Morvenn Vahl defies the Senatorum Imperialis and heads to the planet's defence. There, she finds a world in terror – the warlord Kol Rakhul, known as the Death of Saints, has come for the faithful and, with his Heldrake and a host of Night Lords at his back, plans to enshroud the world in flame and blood.

Baggit is the fast-talking ratling with an eye for the big score. Clodde is the ogryn with a heart of gold and a head full of dreams. These abhuman deserters-turned-criminals operating in the city of Varangantua have crossed the wrong man for the last time—and now they’re on the run. At least, that is, until Baggit learns of a score that could pay their debts and save their skins—the Wraithbone Phoenix, a fabled treasure rumoured to be hidden aboard a voidship recently scheduled for decommission. But Baggit and Clodde aren’t the only ones with eyes on the prize.

As an agent of the Throne, former soldier Ianthe serves Inquisitor Covenant and faces some of the most dangerous and insidious threats the galaxy has to offer. On the hunt for the rogue psyker Silas Norn, Ianthe and her associates run afoul of the Imperial authorities and are imprisoned. Norn too is captured and incarcerated, but with the ability to manipulate the minds of his victims he is far from easy quarry. To stop him, Ianthe must not only find him; she must overcome the buried ghosts of her hidden past.

Exalting war and art in harmony, the warrior-artisans of the Angels Resplendent have forged a radiant haven amidst a blighted galaxy. But an ancient sin stains their honour - a wound in their world that will never heal. Ignorant souls would call it a forest, but those who watch over it know better. Nothing natural grows in the Reverie’s snow-swept glades or wanders amongst the unnatural things that do, save for the intruders who trespass on its pain. Some seek revelation or redemption, others dream of winning a place amongst the Resplendent, but all come because they must.

After seven long years of conflict, the Horus Heresy nears its end. But now, as the Warmaster Horus marches on Terra to rip his father from the Throne, the seat of the arch-traitor’s power lies empty. Cthonia, a world once dominated by brutal murder-gangs, is occupied by the Emperor’s praetorians—the indomitable Imperial Fists. For the Sons of Horus, this outrage demands a reckoning.