The Horus Heresy Books in Order

Battle-Captain Nathaniel Garro commands the frigate Eisenstein, fleeing the massacre at Isstvan III with loyalists from four Legions. He races across the galaxy toward Terra to warn the Emperor of Horus's rebellion, while Imperial authorities doubt his incredible news and his passengers proclaim a forbidden faith in the Emperor's divinity.

SpoilersBattle-Captain Nathaniel Garro commands the frigate Eisenstein, fleeing Horus's massacre of loyalists at Isstvan III with survivors from four Legions. He races across the galaxy toward Terra to raise the alarm over the rebellion, while Imperial authorities doubt his incredible news and his passengers proclaim a forbidden faith in the Emperor's divinity.

Fulgrim, primarch of the Emperor's Children Legion, receives a warning from the alien Eldar about coming treachery and catastrophe. He and his officers reject it. The novel follows Fulgrim and his perfectionist Space Marines as they slide toward the service of Chaos, while Fulgrim tries to draw his brother primarch Ferrus Manus and the Iron Hands into the same corruption.

SpoilersFulgrim, primarch of the Emperor's Children Legion, receives a warning from the alien Eldar about Horus's imminent betrayal and the disaster that may follow. He and his officers dismiss it. The novel follows Fulgrim and his perfectionist Space Marines as they descend into the service of Chaos alongside Horus's own fall, while Fulgrim tries to draw his brother primarch Ferrus Manus and the Iron Hands into the same corruption.

On the feudal world Caliban, Zahariel El'Zurias trains with an order of knights under the command of the legendary warrior Jonson. As the planet is drawn into the Imperium of Man, Zahariel becomes a candidate for the Dark Angels Space Marine Legion and joins the Great Crusade among the stars.

The Alpha Legion, the most secretive of the Space Marine brotherhoods, arrives on a heathen world to aid the Imperial Army against strange forces. Loyalties are tested as alien schemes unfold and the Great War looms. The human John Grammaticus moves among an ancient interspecies organisation opposed to Chaos.

The Traitor Word Bearers plan a surprise invasion of Ultramar, using a secret warship, the Furious Abyss, to spearhead the attack. Ultramarines Fleet Commander Cestus learns of the vessel's true purpose and pursues it across the void, racing to prevent the massive ship from reaching Macragge.

The machine-worshipping engineers of Mars, the Mechanicum, fracture as Horus's rebellion reaches the red planet. Fabricator General Kelbor-Hal turns against Terra, sparking civil war among the tech-priests. The struggle for control of the Imperium's vital technology threatens to decide the wider conflict.

This anthology presents seven short stories by various authors set during and before the galaxy-spanning civil war. The tales expand on threads within the greater conflict, introducing the Emperor's elite Praetorian Guard-esque retinue and a classified organisation of anti-psychic warrior-nuns. One story covers the gladiatorial Primarch Angron's command of his renamed Legion.

The novel follows two threads. Primarch Lion El'Jonson leads a small group of Dark Angels to keep a weapons-manufacturing planet from Horus' forces. Meanwhile, Luther and Zahariel El'Zurias return to Caliban with a Dark Angels contingent and confront rebels who resist Imperial rule.

SpoilersThe novel continues the Dark Angels tale from Book 6, Descent of Angels. Primarch Lion El'Jonson leads a small group of Dark Angels to keep a weapons-manufacturing planet from Horus' forces. Meanwhile, Luther and Zahariel El'Zurias return to Caliban with a Dark Angels contingent and confront rebels who resist Imperial rule.

Magnus, primarch of the Thousand Sons Space Marines, secretly continues forbidden sorcery after an imperial reprimand. When he learns of Horus's impending betrayal, he uses sorcery to warn the Emperor but overreaches, damaging a vital secret project. The Emperor orders Leman Russ and the Space Wolves to bring Magnus to account.

About two years after Isstvan V, a secret Imperial organisation dispatches an Execution Force to eliminate the traitor Warmaster Horus. The team, led by sniper Eristede Kell, unites operatives from every discipline. Meanwhile, a Word Bearers officer prepares his own specialised assassin in a scheme to kill the Emperor.

Decades before the galaxy burns, Primarch Lorgar and his Word Bearers Legion face public censure by the Emperor for introducing religious worship. Despairing, Lorgar turns toward forbidden beliefs. Captain Argel Tal witnesses his primarch's fall and commands an elite new unit as the Legion embraces darkness long before Horus rebels.

SpoilersAfter the Emperor publicly humiliates Lorgar and the entire Word Bearers Legion for introducing religious worship, the despairing primarch is swayed by two trusted lieutenants secretly allied with Chaos. Decades before Horus falls, both Lorgar and his Legion covertly embrace the Primordial Truth. Captain Argel Tal commands a Chaos-possessed elite unit as the Legion turns to darkness.

Kasper Hawser, a Terran academic turned Crusade Remembrancer, becomes the oral historian for the 3rd Company of the Space Wolves Legion. The story follows him more than a century before the mission to Prospero, as Chaos schemes to set the Space Wolves and Thousand Sons against each other.

This anthology collects nine short stories set during the long war following the massacre on Isstvan V. The tales follow a Primarch bracing for collapse, a propaganda operation that subverts an Imperial world, a diplomatic struggle for a neutral planet's loyalty, and a Loyalist Marine trapped among traitors.

On Terra, astropath Kai Zulane unwittingly holds a secret that could sway the galactic civil war. After Magnus' catastrophic psychic visit damages the Emperor's project and disrupts communications, Kai falls in with a disparate group of Space Marines suspected as traitors: the Outcast Dead.

SpoilersOn Terra, astropath Kai Zulane unwittingly holds a secret that could sway the galactic civil war. After Magnus' catastrophic psychic visit damages the Emperor's top secret project and disrupts communications, Kai falls in with a disparate group of Space Marines suspected as traitors: the Outcast Dead.

Three months after the Dropsite Massacre, Corvus Corax and the shattered remnants of his Raven Guard are unexpectedly rescued. Arriving at Terra, the primarch persuades the Emperor to share knowledge that could help rebuild his devastated Legion. Corax then undertakes the effort to reconstitute the Raven Guard on their home world.

SpoilersAfter the Dropsite Massacre reduced his Legion to less than five percent strength, Corvus Corax is unexpectedly rescued. At Terra, he convinces the Emperor to give him the knowledge and material to rebuild the Raven Guard, while the Alpha Legion pursues opposite objectives against him.

Roboute Guilliman comes back to Ultramar to gather his Legion for a campaign against orks in the Veridian system, still ignorant of the wider Heresy and obeying the Warmaster’s puzzling orders. The novel unfolds as an official Imperial action report intercut with the primarch’s personal notes.

This anthology collects four novellas about the Emperor's gene-forged sons. Fulgrim reveals his true nature to officers of his Legion. Ferrus Manus suffers portentous visions during a campaign against the Eldar. The Lion El'Jonson accepts the reality of the Warp and chooses an independent path. The Alpha Legion's twinned Primarch undertakes a counterintelligence operation.

SpoilersThis anthology collects four novellas about the Emperor's gene-forged sons. Following the Dropsite Massacre, Fulgrim reveals his corruption to his officers. Before the Heresy, Ferrus Manus suffers visions during a campaign against the Eldar. After Isstvan V, the Lion accepts the Warp and chooses an independent course. The Alpha Legion's Primarch extends his deceptions inward.

The Warmaster orders Primarch Sanguinius and the Blood Angels to a remote star system. Isolated and ambushed, they fight Chaos entities and daemons designed to trigger a genetic flaw in the Legion's DNA. Sanguinius and his warriors must adapt quickly to survive the trap and reach Terra.

This anthology collects seven stories from the Horus Heresy. Most center on the Imperial Fists and Night Lords Legions, with their primarchs among the featured characters. One tale unfolds on Mars, revealing part of the Traitor Mechanicum's conspiracy. The narratives span decades before the Heresy to around the time of Book 18, filling gaps in the series.

The Iron Warriors and their primarch Perturabo join a freelance operation in uncharted space, invited by Fulgrim and the Emperor's Children. The mission purportedly could decide the war for the rebels, but its true goal is hidden from Perturabo. The embittered siege masters begin to realise that not all allies among the Traitors can be trusted.

SpoilersAfter the Dropsite Massacre and the events of Books 20 and 22, the embittered Iron Warriors—who have already lashed out in unforgivable genocide—join a freelance operation in uncharted space. Fulgrim and the Emperor's Children invite them, but hide the mission's true goal from Perturabo, who begins to realise that not all Traitor allies can be trusted.

In the Ultramar theatre, the World Eaters and Word Bearers Traitor Legions cooperate in a devastating campaign against the Ultramarines. Khârn, Captain of the World Eaters' 8th Company, fights alongside his increasingly unstable primarch Angron as Primarch Lorgar orchestrates genocide on an unprecedented scale to summon the powers of Chaos and isolate the powerful Ultramarines Legion.

SpoilersAs the events of Book 19 begin to unfold, the World Eaters and Word Bearers cooperate in a devastating campaign against the Ultramarines. Khârn fights alongside his increasingly unstable primarch Angron as Primarch Lorgar orchestrates genocide on an unprecedented scale to summon the powers of Chaos, generate the Ruinstorm, and engineer Angron's ascension into daemonhood.

This anthology collects eight tales set during the Ultramar campaign of the Horus Heresy. Seven short stories and one novella by different authors depict events surrounding the battles at Calth, exploring the war from multiple perspectives among both loyalist and traitor forces.

Vulkan, primarch of the Salamanders, recovers his memories after capture aboard a ship modified by Perturabo. He struggles with his unwanted immortality while his surviving sons among the shattered legions fight to retrieve an artifact that could alter the rebellion's course.

Roboute Guilliman has returned to Macragge after the battle for Armatura. An ancient device found on Sotha could guide warships through the veil that cut off Ultramar. Members of the Cabal arrive as strange events unfold, while secrecy between Guilliman and the Lion threatens conflict between the brothers.

SpoilersRoboute Guilliman has returned to Macragge after the battle for Armatura, following the Lion's capture of Konrad Curze and the Blood Angels' trial at Signus Prime. An ancient device found on Sotha could guide warships through the veil that cut off Ultramar. Members of the Cabal arrive as strange events unfold, while Sanguinius also returns from Signus.

The White Scars have spent two years cleansing the Chondax System of an infestation. Artificial warp storms have cut them off from all communication. With the storms now ended, they receive conflicting reports: Leman Russ has turned traitor, Horus has turned against the Emperor, and the Space Wolves are under attack from the Alpha Legion. Their primarch, the Khan, must decide whom to believe and where to lead his legion.

Horus conquers Dwell and learns that the Emperor once made a bargain with the Chaos Gods on Molech. Seeking that same power, Horus enlists Mortarion and Fulgrim to help him retrace the Emperor's steps. Meanwhile, Garviel Loken leads Malcador's Knights Errant aboard Horus's flagship to prepare for an assassination attempt by Leman Russ.

Remnants of the Shattered Legions escape Isstvan and reach the Pandorax System. On the death world of Pythos, they discover a significant warp anomaly. They plan to use it against the Traitor Legions, but must survive the planet's dangers, the Ruinstorm trapping them, and protect refugees who arrive.

SpoilersAfter the Dropsite Massacre on Isstvan V, shattered remnants of the Iron Hands, Raven Guard, and Salamanders reach the Pandorax System. On the death world of Pythos, they discover a significant warp anomaly and plan to use it against the Traitor Legions. They must survive the planet, the Ruinstorm, and protect arriving refugees.

This anthology gathers short stories set across the galaxy during the Heresy. On Chondax, White Scars warriors Shiban and Torghun finish their campaign while Targutai Yesugei recalls his psychic awakening. Elsewhere, an Iron Hand seeks scattered loyalists, Salamander survivors fight on Isstvan V, and Ahriman studies the flesh-change of his Legion.

After a rescue by the Ultramarines, Artellus Numeon urges the Salamanders on Macragge to leave Imperium Secundus and return their primarch's body to Nocturne. They hope to resurrect Vulkan in the fires of Mount Deathfire, but must first brave the madness of the Ruinstorm.

This anthology collects short stories set across the Horus Heresy. Knights of House Devine fall to corruption on Molech. Space Wolves guard Rogal Dorn on Terra. Angron speaks with a loyalist captain on Isstvan III. Vulkan confronts his secret vault. Imperial Fists and Legio Custodes clash over Terra's defence. Other tales follow Alpha Legion raids, Imperial Army survivors, and an assassin hunting the Warmaster.

With the Ruinstorm still raging, Imperium Secundus serves as a refuge in the Eastern Fringe. On Sotha, an enigmatic mountain holds the secret to the realm's survival. The Night Lords prepare their assault on this vital position, while their tormented primarch Konrad Curze seeks a confrontation with Sanguinius.

This collection gathers tales from across the galaxy-spanning civil war. Stories include Horus and the Emperor fighting orks at Gorro during the Great Crusade, Lorgar confronting Horus and Magnus after the Dropsite Massacre, Jago Sevetarion imprisoned by the Dark Angels, Torghun Khan on trial before his Legion, and Aeonid Thiel leading Ultramarines at Imperium Secundus.

Four years after their last campaign, Jaghatai Khan and the White Scars are cut off from Terra by Warp Storms and four enemy legions in the galactic north. They search for another route home, one that leads through secrets of the Navis Nobilite and the Emperor. The Emperor's Children and the Death Guard pursue them.

This anthology follows Malcador the Sigillite as he wages a covert struggle during the galactic civil war. He directs secretive operations and agents against the traitor forces, working from the shadows to protect the Imperium while open battle rages across the galaxy.

The Lion hunts his brother Konrad Curze across the five hundred worlds of Ultramar, even as he bears the duties of Lord Protector of Imperium Secundus. On distant Caliban, Luther grows ever more estranged from the First Legion, making choices that will reshape the Order and the world itself.

Rogal Dorn and his Imperial Fists have defended Terra since Horus turned traitor, fortifying the Solar System against inevitable assault. Now the Alpha Legion strikes at the defences for the first time, and Dorn must ready himself for a battle that pushes him to his utmost and demands hard choices about allies and sacrifice.

Corvus Corax leads the Raven Guard in a bitter guerrilla war against the Traitors after the Dropsite Massacre. He struggles to hold his shattered legion together while fighting across scattered battlegrounds, unaware of the tragic fate that awaits his Raptors.

While Horus' rebellion burns across the galaxy, the Emperor fights a hidden war beneath the Imperial Palace. Alongside His Custodian Guard, the Sisters of Silence, and Mechanicum forces, He battles to hold the webway nexus points near Terra against daemonic incursions. Traitor legionaries and corrupted Titans now bolster the enemy, and a malevolent Warp entity circles the field.

SpoilersWhile Horus' rebellion burns across the galaxy, the Emperor fights a hidden war beneath the Imperial Palace. Alongside His Custodian Guard, the Sisters of Silence, and Mechanicum forces, He battles to hold the webway nexus points near Terra, which Magnus the Red's intrusion has left swarming with daemons. Traitor legionaries and corrupted Titans now bolster the enemy, and a malevolent Warp entity circles the field.

Nathaniel Garro serves the Sigillite on secret missions across the war-torn Imperium. From the ruins of Calth and Isstvan to the Imperial Palace, the operative carries out clandestine assignments while drawn toward hidden powers and unsettling questions about his future role.

This anthology gathers ten tales of the Shattered Legions, survivors from the Raven Guard and Salamanders who board any warp-capable vessels they can find. Led by warleader Shadrak Meduson, they wage a campaign of annihilation against traitor forces across the galaxy. The collection also follows the crew of the starship Sisypheum in a war of subterfuge against the Alpha Legion.

After Prospero's fall, Magnus the Red hides on the Planet of the Sorcerers in the Eye of Terror. His shattered mind and memories drift into the warp. Ahzek and Amon lead a desperate journey to Magnus' past triumphs and tragedies, hoping to restore him while evading Space Wolves and Knights Errant hunters.

SpoilersAfter Russ defeats him on Prospero, Magnus the Red hides on the Planet of the Sorcerers in the Eye of Terror. His shattered mind and memories drift into the warp. Ahzek and Amon lead a desperate journey to Magnus' past triumphs and tragedies, hoping to restore him while evading Space Wolves and Knights Errant hunters.

Perturabo and the Iron Warriors reduce the verdant world of Tallarn to a wasteland, unleashing the largest armoured conflict of the Heresy on its surface. But Perturabo seeks more than destruction—his curiosity about the powers behind Fulgrim's ascension draws ire from adversaries and allies alike. This anthology collects stories of the battle from multiple perspectives.

SpoilersFollowing their escape from the Eye of Terror, Perturabo and the Iron Warriors reduce Tallarn to a wasteland, unleashing the largest armoured conflict of the Heresy. But his curiosity about the powers behind Fulgrim's ascension draws ire from adversaries and allies in the Host of the Warmaster. This anthology collects stories of the battle from multiple perspectives.

Roboute Guilliman, Lion El'Jonson, and Sanguinius abandon Imperium Secundus and head for Terra, bringing their prisoner Konrad Curze with them. To reach the Throneworld, the three primarchs and their legions must cross the Ruinstorm, a raging warp storm that makes passage nearly impossible. Solar-system sized obstacles block their path through both realspace and warpspace.

SpoilersRoboute Guilliman, Lion El'Jonson, and Sanguinius abandon the Imperium Secundus they established after learning that Terra still stands, and head for the Throneworld with their prisoner Konrad Curze. To reach Terra, the three primarchs and their legions must cross the Ruinstorm, a raging warp storm that makes passage nearly impossible. Solar-system sized obstacles block their path through both realspace and warpspace.

Vulkan leaves his homeworld and legion behind to return to Terra. To breach the ruinstorm blocking the throneworld, he travels ancient Eldar pathways where humans are unwelcome. Along the way, he looks for help from Shadrak Meduson and the Iron Tenth, who strike at the Sons of Horus with guerrilla tactics. But Meduson faces opposition within his own ranks while hunting his enemy Tybalt Marr.

SpoilersThe newly resurrected Vulkan leaves his homeworld and legion behind to return to Terra. To breach the ruinstorm blocking the throneworld, he travels ancient Eldar pathways where humans are unwelcome. Along the way, he looks for help from Shadrak Meduson and the Iron Tenth, who strike at the Sons of Horus with guerrilla tactics. But Meduson faces opposition within his own ranks while hunting his enemy Tybalt Marr.

This Horus Heresy anthology gathers six short stories and two novellas from across the war-torn Imperium. The tales range from Mars to the Space Wolves fleet, from Imperium Secundus to Prospero, as those still serving the Throne struggle to survive while the Warmaster's fleet draws near Terra.

Leman Russ leaves Terra to punish his traitorous brother Horus. Before facing him, Russ must descend into the depths of his homeworld and confront his duty as the Emperor's Executioner, the Spear that will not leave his side, and the truth of his nature as a Primarch.

SpoilersAfter the disasters of Prospero and the Allaaxes Nebula, Leman Russ leaves Terra—just as Sanguinius arrives following Ruinstorm—to punish Horus. First Russ must descend into his homeworld's depths and confront his duty as the Emperor's Executioner, his Spear, and his Primarch nature.

With the traitors close upon Terra, Horus lies injured and the Sons of Horus fracture. Maloghurst must hold the Legion together while Lorgar and Perturabo struggle to marshal Fulgrim and Angron, now beyond even the Warmaster's command. The hosts must unite at Ullanor before the Siege of Terra can begin.

SpoilersAfter Horus' injury on Wolfsbane reopens, the Sons of Horus fracture. Maloghurst must hold the Legion together while Lorgar and Perturabo struggle to marshal Fulgrim and Angron, now elevated to daemonhood and beyond the Warmaster's command. The hosts must unite at Ullanor before the Siege of Terra can begin.

This anthology collects sixteen short stories set during the Horus Heresy, several taking place just before the Siege of Terra begins. The tales depict heroes and villains across the galaxy as Horus's triumph nears its culmination.

With the Ruinstorm fading, Horus leads a campaign against the Beta-Garmon Cluster, the Gate of Terra. Loyalist forces including Sanguinius and Jaghatai Khan defend the system as the Traitor Titan Legions fight for the Warmaster. The princeps of the Titan Legions and their beliefs face trial amid epic struggles.

As the final battle for the Throne draws near, the Traitor primarchs gather to the Warmaster's banner. Mortarion leads the Death Guard as vanguard of the Traitor forces, but Nurgle has claimed the Legion as his own. The book follows the Death Guard and their primarch as they face this dire fate.

The Traitors and Loyalists clash in a massive void war across the Solar System. Horus must breach Dorn's defences to reach Terra. Former remembrancer Mersadie Oliton searches for a way back to Terra, while disgraced Sigismund seeks atonement through battle.

Horus now holds the Solar System and begins the bombardment of Terra. To reach the Palace walls, he must overcome ground defences, outer bastions, and the Aegis void-shield. A massive ground war erupts. On the walls, the Loyalists face refugees, embattled defences, and the malefic Warp, while Guilliman races to arrive in time.

With the outer defences fallen, Horus orders Perturabo and the Iron Warriors to seize the Lion's Gate Spaceport from the Imperial Fists. The traitors must overcome the First Wall to claim this vital objective. Meanwhile, Horus tasks his Dark Apostle Zardu Layak with bringing the Daemonic Neverborn of Chaos onto Terra itself.

The Traitors under Perturabo search for weaknesses in the Imperial Palace's defences. Rogal Dorn must make difficult decisions to hold the palace until reinforcements arrive. A struggle for a vulnerable section of the wall called Saturnine will determine whether the palace stands or falls.

SpoilersThe Traitors under Perturabo search for weaknesses in the Imperial Palace's defences. Rogal Dorn must make difficult decisions to hold the palace until Roboute Guilliman arrives. Dorn also creates an order of scholars to record and conceal the civil war's history. A struggle for a vulnerable section of the wall called Saturnine will determine whether the palace stands or falls, while secrets emerge in the palace depths and beyond.

Horus holds the Lion's Gate and Eternity Wall Spaceports. He unleashes the Legio Mortis Titans upon Terra. The Loyalist Legio Ignatum races to meet them at Mercury Wall. Ollanius Persson journeys through the warp toward Terra. Corswain of the Dark Angels plans a desperate gambit beyond the Palace walls.

As the Palace defenses weaken, Jaghatai Khan risks a bold strike to reclaim the Lion's Gate spaceport from Mortarion and the Death Guard. Inside the walls, Dorn wrestles with strategy, Sigismund discovers a new path, Keeler finds a darker perspective on hope, and Valdor hunts amid his own conflict.

Most of the Imperial Palace has fallen to the Traitors. The berserk primarch Angron leads the slaughter through Terra's ruins. With the Khan near death, Dorn hard-pressed at the Bhab Bastion, and Guilliman's arrival uncertain, Sanguinius must gather the defenders for a final stand at the Delphic Battlement and the Eternity Gate.

SpoilersMost of the Imperial Palace has fallen to the Traitors. Angron, elevated to Horus's herald after Mortarion's defeat, leads the slaughter through Terra's ruins. With the Khan near death, Dorn hard-pressed at the Bhab Bastion, and Guilliman's arrival uncertain, Sanguinius must gather the defenders for a final stand at the Delphic Battlement and the Eternity Gate.

Time on Terra has frozen in the Warp, and Horus nears victory. To draw the Emperor into battle, he lowers the defences of his flagship. Ollanius Persson reaches the Palace to warn of Horus's growing power, but the Emperor has already teleported aboard with his sons and warriors. Garviel Loken also makes his way to confront his father.

The Emperor and his warriors are scattered across the Vengeful Spirit as the ship grows saturated with Warp energy. Sanguinius encounters the shade of his fallen brother Ferrus Manus, who leads the Angel toward his final confrontation with Horus. The Blood Angels fight on as their father's fate approaches.

SpoilersThe Emperor has drawn upon the Warp for power to defeat Horus, risking becoming the Dark King himself. Persson and Loken beg him not to become Chaos to defeat it, and he relents, releasing the power he gathered. Sanguinius falls to Horus, who crucifies his corpse in the Lupercal's Court.

The Emperor reaches the bridge of the Vengeful Spirit to confront Horus at last. The Warmaster waits with his final gambit ready, while the Emperor’s surviving sons and loyal warriors fight through the ruined flagship to reach him. On Terra, the Golden Throne stands prepared for what may come.