Once again, reluctant hero Commissar Cain is catapulted into glory in the fourth instalment of this tremendously popular series. Escaping from a disastrous space battle, the commissar and his malodorous sidekick Jurgen crash-land behind enemy lines. Even the sly Cain can't avoid a straight fight this time, as the only way out is to round up what few troops they can find and fight their way back to safety. Unfortunately, hundreds of thousands of barbaric alien orks stand in their way.

The Adeptus Astartes are humanity's champions, superhuman warriors armed with the finest weapons and clad in mighty armour. They defend the Imperium of Mankind from all its myriad foes - the alien, the heretic and the daemon. There are a thousand Chapters of Space Marines across the Imperium, each with its own traditions and ways of waging war, but all have one thing in common - their total dedication to eradicating their enemies in the name of the Emperor. This audio drama anthology contains seven stories of the Space Marines.  

Many are the xenos foes who plague mankind's Imperium. Ancient races which once ruled the galaxy, such as the aeldari and necrons, lurk in the darkness, awaiting their chance to reclaim what was once theirs. Younger races like the upstart T'au Empire grow in power and influence, ever eager to topple humanity and take their place. And across the galaxy, the savage orks wage brutal war, fighting all in their path simply for the joy of battle. This audio drama anthology contains eight tales of the aeldari, the orks and the T'au Empire. 

Ciaphas Cain's latest mission takes him and his Valhallan regiment to the planet of Adumbria to defend against an approaching Chaos invasion. However, infighting with fellow Imperial Guard regiments from the world of Tallarn, commanded by an old 'friend' of Cain's from the Schola Progenium and the uprising of a sinister cult on the planet puts paid to any hopes of an easy life.

Under almost constant besiegement by the hosts pouring from the Eye of Terror, Cadia acts as a bulwark against tyranny and death. Its fortresses and armies have held back the hordes of Chaos for centuries, but that grim defiance is about to reach its end. As Abaddon's Thirteenth Black Crusade batters Cadia's defences, and armies of the Imperium flock to reinforce this crucial world, a terrible ritual long in the making comes to fruition and the delicate balance of this brutal war shifts.

In the sprawling Imperium of Mankind, everyone serves the Emperor in their own way. From the Inquisitors who hunt the hidden enemies of humanity in the dark places of the galaxy to the brave soldiers who stand on the front line, and the Imperial Assassins who can change the tides of war with a single shot, each has a part to play in preserving the Imperium. This audio drama anthology contains eight stories of the agents who dispense the Emperor's justice.

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?

In the city of Queen Mab, nothing is quite as it seems. Pariah, spy and Inquisitorial agent, Alizebeth Bequin is all of these things and yet none of them. An enigma, even to herself, she is caught between Inquisitors Gregor Eisenhorn and Gideon Ravenor, former allies now enemies who are playing a shadow game against a mysterious and deadly foe. Coveted by the archenemy, pursued by the Inquisition, Bequin becomes embroiled in a dark plot of which she knows not her role or purpose. 

Ufthak Blackhawk and the green tide descend upon Hephaesto - an Adeptus Mechanicus forge world bristling with loot - only to find it already under siege by the notorious Freebooter Kaptin Badrukk. When his warboss, Da Biggest Big Mek, orders temporary co-operation, Ufthak seeks to make a name for himself by crushing some of the Imperium’s most advanced defenders and claiming the greatest prize. 

This audio drama anthology contains seven tales of the Space Wolves. In these stories, you'll discover the moment the Chapter changed forever, ride across the frozen tundra, experience battles with orks, drukhari and more, witness the infamous Lukas the Trickster at work and see the dynamic between the sons of Russ and their rivals in the Dark Angels.

No matter the foe, regardless of the odds, the proud warriors of the Dark Angels stubbornly refuse to accept defeat. Descendants of the First Legion, they stand foremost amongst the Chapters of the Space Marines, mankind’s mightiest defenders. None fight with more grim determination than the Dark Angels, and their renowned special companies - the Deathwing and the Ravenwing - are held in awe by allies and enemies alike. Yet behind their devotion to the Imperium lies a dark obsession.

The Raven Guard are the Sons of Corax, and in the art of shadow warfare they are without equal. Theirs is the way of stealth, subterfuge and misdirection, ensuring their enemies are unaware of the true danger they face until it is far too late. This audio drama anthology contains seven tales of the Raven Guard. In these stories, you'll discover the secrets of the mysterious Shadowmasters, witness a descent into a mysterious labyrinth haunted by an unseen foe, experience war against the tyranids, learn how the sons of Corax connect to humanity and more.

On the world of Verghast, a grinding war between two hive cities - one loyal to the Imperium, the other fallen to the worship of the Dark Gods - is bolstered by the forces of the Astra Militarum, spearheaded by the Colonel-Commissar Gaunt and the Tanith First and Only. But bitter rivalries and treachery threaten to derail the defence of Vervunhive, and it falls to Gaunt to take command of the Imperial forces and forge victory from an almost certain defeat.   

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.

As the Indomitus Crusade begins, fleets of mighty warships leave Terra on a vital quest to stabilise Imperium Sanctus in the wake of the Great Rift. The returned primarch, Roboute Guilliman, leads a huge force towards the shrine world of Gathalamor, where stable warp routes will allow the flotilla to spread across the beleaguered southern half of the Imperium.