Captain Cato Sicarius and Chief Librarian Tigurius are Damnos's last hope against relentless--and remorseless--alien enemies, and as they lead the Ultramarines against the foe, Tigurius receives a vision that could change the tide of war.

The world of Damnos faces annihilation by the necrons, until the Ultramarines arrive to even the odds. When Damnos is hit by cataclysmic earthquakes, an ancient force is awakened. Deep beneath the earth, the necrons rise from their slumber to decimate the human populace. All appears lost until salvation comes from the heavens... The Ultramarines brave an orbital bombardment to deploy their forces on Damnos. They are led by two legendary warriors – Captain Cato Sicarius and Chief Librarian Tigurius. They are the planet's last, great hope against the remorseless alien foes, but tensions within their ranks threaten to derail victory. As battle rages on Damnos, and the Ultramarines seek to defeat their soulless enemies, Tigurius receives a terrible vision – a vision telling of the death of a hero...

The return of Captain Sicarius! Discover what befell Sicarius when he was lost in the warp, and how he survived… The primarch Roboute Guilliman of the Ultramarines has returned in the galaxy’s hour of need, and all muster to his Indomitus Crusade to hold back the darkness. Amongst these heroes is Cato Sicarius, Master of the Watch and vaunted captain of Second Company. Disaster befalls Sicarius and his brave warriors as their ship, the Emperor’s Will, is lost to the hellish warp, its entire crew believed slain. But Sicarius endures, though he and his men are fighting for their very survival against the denizens of the Great Rift – the daemons and renegades of Chaos. Cast adrift and war-weary, hope appears too distant to grasp until the storm breaks at last and a strange world beckons. As the captain and a band of his chosen warriors descend to the surface seeking aid, they find an isolated land seemingly from an ancient era, one plagued by a terrible enemy. Sicarius will not see this world suffer, and pledges his warriors to the world’s cause, determined to save it, whatever the cost… But what is the dark secret harboured here, and what will it mean for the Ultramarines if they uncover it?

The latest novel in the Space Marine Battles series In the Pandorax System, on the death world of Pythos, an ancient secret that has laid buried for millennia has been unearthed.... Ignorant of this terror, troopers of the Catachan 183rd, stranded on Pythos and under the command of Colonel ‘Death’ Strike, find themselves under attack by the forces of Chaos. Daemons in their thousands flock the sky, and none other than Warmaster Abaddon leads the attack. With the Death Guard and Black Legion arrayed against them, the Catachans appear to be doomed, until salvation arrives in the form of the entire Dark Angels Chapter, led by Master Azrael and a host of heroes. But what is the so-called ‘Damnation Cache’? What secrets does it harbour and why has it also attracted the attention of the daemon-hunting Grey Knights?

Setting out to exterminate the upstart Tau Empire before it becomes a threat, the Ultramarines under Captain Atheus discover that the xenos may be more of a menace than they originally believed… The Imperium of Man takes its bloody revenge upon the expansionist tau in a war of dizzying spectacle. For the first time, the daredevil warriors of the Ultramarines Assault Company go to war en masse, fighting in the skies, in the streets, and even in the prototype testing facilities of the tau Earth caste. However, Sergeants Sicarius and Numitor must overcome their hunger for glory as the brightest stars of the Tau Empire, Commanders Farsight and Shadowsun, hunt them to the brink of disaster. Tempers run short as battle-brothers fall, ammunition runs out and the course of the war takes ever-darker twists and turns. With two warrior cultures struggling for a vital edge and the body count spiralling towards a terrible conclusion, can notions of honour and duty survive at all?

Driven on by their hatred of the False Emperor, the Night Lords stalk the shadows of the galaxy, eternally seeking revenge for the death of their primarch. Their dark quest leads them to a fractious alliance with the Red Corsairs, united only by a common enemy. Together with this piratical band of renegades, they bring their ways of destruction to the fortress-monastery of the Marines Errant. THEY SEEK ONLY TO BRING DEATH

In the wake of the Dropsite Massacre at Isstvan V, the survivors of the Salamanders Legion searched long and hard for their fallen primarch, but to no avail. Little did they know that while Vulkan might have wished himself dead, he lives still. As the war continues without him, all eyes turn to Ultramar and Guilliman's new empire there, and Vulkan's sons are drawn into an insidious plot to end the Heresy by the most underhand means imaginable.