The Horus Heresy - Black Library recommended reading order Series by Aaron Dembski-Bowden, Dan Abnett, Graham McNeill, James Swallow, Christian Z. Dunn, Rob Sanders, Gav Thorpe, Nick Kyme, David Annandale

Warmaster Horus and his Legions have destroyed Rogal Dorn's counter-attack at Issvan, and the Emperor's loyal primarchs are suddenly outnumbered. These dire times herald darker things to come when Astropath Kai Zulane bears witness to a terrible secret that threatens to tip the balance of the war.

Unaware of the wider Heresy and following the Warmaster’s increasingly cryptic orders, Roboute Guilliman returns to Ultramar to muster his Legion for war against the orks massing in the Veridian system. Without warning, their supposed allies in the Word Bearers Legion launch a devastating invasion of Calth, scattering the Ultramarines fleet and slaughtering all who stand in their way... moreUnaware of the wider Heresy and following the Warmaster’s increasingly cryptic orders, Roboute Guilliman returns to Ultramar to muster his Legion for war against the orks massing in the Veridian system. Without warning, their supposed allies in the Word Bearers Legion launch a devastating invasion of Calth, scattering the Ultramarines fleet and slaughtering all who stand in their way. This confirms the worst scenario Guilliman can imagine – Lorgar means to settle their bitter rivalry once and for all. As the traitors summon foul daemonic hosts and all the forces of Chaos, the Ultramarines are drawn into a grim and deadly struggle in which neither side can prevail.When war comes to Calth and set the planet aflame, the Ultramarines face annihilation against a foe who will use any means to settle their bitter grudge. less

Created in the Emperor’s own image, the primarchs had long thought themselves to be princes of the universe and masters of their own destiny – they led the Space Marine Legions in glorious conquest of the galaxy, and no enemy of the Imperium could stand against them. However, even amongst this legendary brotherhood, the seeds of dissent had been sown long before the treacherous Warmaster Horus declared his grand heresy... moreCreated in the Emperor’s own image, the primarchs had long thought themselves to be princes of the universe and masters of their own destiny – they led the Space Marine Legions in glorious conquest of the galaxy, and no enemy of the Imperium could stand against them. However, even amongst this legendary brotherhood, the seeds of dissent had been sown long before the treacherous Warmaster Horus declared his grand heresy. Gathered within this anthology are four novellas focusing on some of the mightiest warriors and leaders that mankind has ever known – Fulgrim, Lion El’Jonson, Ferrus Manus and the twin primarchs Alpharius and Omegon – and the roles that they may have yet to play in a war which threatens to change the face of the Imperium forever. less

Since the earliest days of the Great Crusade, Sanguinius – angelic primarch of the IXth Legion – was ever among the closest and most loyal of Horus’s brothers. But the Blood Angels have long kept their true nature hidden from the rest of the Imperium, and when the Warmaster hints that the key to their salvation may lie in the ruins of a conquered world, the sons of Sanguinius race to claim it... moreSince the earliest days of the Great Crusade, Sanguinius – angelic primarch of the IXth Legion – was ever among the closest and most loyal of Horus’s brothers. But the Blood Angels have long kept their true nature hidden from the rest of the Imperium, and when the Warmaster hints that the key to their salvation may lie in the ruins of a conquered world, the sons of Sanguinius race to claim it. Now, as the revelation of their betrayal dawns and the traitors’ hand is revealed, the Blood Angels must face all the warp-spawned armies of Chaos, as well their own personal daemons, upon the blasted plains of Signus Prime... less

Perturabo – master of siegecraft, and executioner of Olympia. Long has he lived in the shadow of his more favoured primarch brothers, frustrated by the mundane and ignominious duties which regularly fall to his Legion. When Fulgrim offers him the chance to lead an expedition in search of an ancient and destructive xenos weapon, the Iron Warriors and the Emperor’s Children unite and venture deep into the heart of the great warp-rift known only as ‘the Eye’... morePerturabo – master of siegecraft, and executioner of Olympia. Long has he lived in the shadow of his more favoured primarch brothers, frustrated by the mundane and ignominious duties which regularly fall to his Legion. When Fulgrim offers him the chance to lead an expedition in search of an ancient and destructive xenos weapon, the Iron Warriors and the Emperor’s Children unite and venture deep into the heart of the great warp-rift known only as ‘the Eye’. Pursued by a ragged band of survivors from Isstvan V and the revenants of a dead eldar world, they must work quickly if they are to unleash the devastating power of the Angel Exterminatus! less

The Shadow Crusade has begun. While the Ultramarines reel from Kor Phaeron’s surprise attack on Calth, Lorgar and the rest of the Word Bearers strike deep into the realm of Ultramar. Their unlikely allies, Angron and the World Eaters, continue to ravage each new system they come across – upon the garrison planet of Armatura, this relentless savagery may finally prove to be their undoing. Worlds will burn, Legions will clash and a primarch will fall... moreThe Shadow Crusade has begun. While the Ultramarines reel from Kor Phaeron’s surprise attack on Calth, Lorgar and the rest of the Word Bearers strike deep into the realm of Ultramar. Their unlikely allies, Angron and the World Eaters, continue to ravage each new system they come across – upon the garrison planet of Armatura, this relentless savagery may finally prove to be their undoing. Worlds will burn, Legions will clash and a primarch will fall.The Horus Heresy: Betrayer is presented in an enhanced eBook format and includes exclusive internal illustrations by artist Karl Richardson. less

Believing Terra has already fallen to the Warmaster, Primarch Roboute Guilliman founds the Imperium Secundus.The unthinkable has happened – Terra has fallen to the traitor forces of Warmaster Horus! Nothing else could explain the sudden disappearance of the Astronomican’s guiding light at the heart of the Imperium, or so Roboute Guilliman would believe. Ever the pragmatist, he has drawn all his forces to Ultramar and begun construction of the new empire known as Imperium Secundus... moreBelieving Terra has already fallen to the Warmaster, Primarch Roboute Guilliman founds the Imperium Secundus.The unthinkable has happened – Terra has fallen to the traitor forces of Warmaster Horus! Nothing else could explain the sudden disappearance of the Astronomican’s guiding light at the heart of the Imperium, or so Roboute Guilliman would believe. Ever the pragmatist, he has drawn all his forces to Ultramar and begun construction of the new empire known as Imperium Secundus. Even with many of his primarch brothers at his side, he still faces war from without and intrigue from within – with the best of intentions, were the full truth to be known it would likely damn them all as traitors for all eternity. less

In the aftermath of the Dropsite Massacre at Isstvan V, a battered and bloodied force of Iron Hands, Raven Guard and Salamanders regroups on a seemingly insignificant death world. Fending off attacks from all manner of monstrous creatures, the fractious allies find hope in the form of human refugees fleeing from the growing war, and cast adrift upon the tides of the warp... moreIn the aftermath of the Dropsite Massacre at Isstvan V, a battered and bloodied force of Iron Hands, Raven Guard and Salamanders regroups on a seemingly insignificant death world. Fending off attacks from all manner of monstrous creatures, the fractious allies find hope in the form of human refugees fleeing from the growing war, and cast adrift upon the tides of the warp. But even as the Space Marines carve out a sanctuary for them in the jungles of Pythos, a darkness gathers that threatens to consume them all… less