Adeptus Mechanicus

Dan Abnett

A Sabbat Worlds spin-off that gives Titan warfare its own map presence while staying tied to the Crusade's industrial and strategic stakes.

Graham McNeill

A key Horus Heresy novel for understanding the Thousand Sons, Prospero, and the tragedy of knowledge turning into catastrophe.

Guy Haley

Guy Haley's novel depicts a massive Titan Legion clash at Beta-Garmon, the colossal war-engine battle fought to delay the traitor advance on Terra. It showcases the god-machines of the Adeptus Mechanicus and Collegia Titanica at the gateway to the Throneworld.

John French

A Siege of Terra installment that turns to the Titan Legions and the apocalyptic god-machine combat raging across the dying world as the Palace is besieged. It deepens the scale of the assault and the toll it takes on Terra's defenders.

Mike Brooks

A fast-paced, comedic Ork war novel in which Warboss Ufthak Blackhawk leads a Waaagh! against a forge world defended by the Adeptus Mechanicus. Told largely from the greenskins' gleefully violent point of view, it is one of the most popular and accessible Ork-focused books in the modern range.

Guy Haley

A Warhammer Crime novel with industrial and institutional pressure at the foreground, good for readers who want a grounded city-level Imperium story.

Graham McNeill

A strong Adeptus Mechanicus entry point built around an Explorator mission, showing Imperial technology, faith, and ambition through a far less familiar lens than Space Marines or Guard.

Graham McNeill

The Forge of Mars expedition deepens into a wider Mechanicus saga, keeping the focus on discovery, machine-cult politics, and the cost of pursuing lost knowledge.

Graham McNeill

The Forge of Mars arc reaches its largest scale, turning a Mechanicus expedition story into a high-stakes confrontation with ancient technology and Imperial obsession.

Rob Sanders

A compact Adeptus Mechanicus war novel that puts Skitarii soldiers and machine-cult command structures at the center of the action.

Rob Sanders

A follow-up Mechanicus war story that shifts attention toward priesthood, command, and the doctrinal machinery behind the Skitarii battlefield.

Various

A short fiction anthology gathering stories devoted to the Adeptus Mechanicus, the tech-priests of Mars who venerate the Machine-God and hoard the Imperium's lost science. The collection spans forge worlds, exploration teams, and Skitarii war hosts, offering a sampler of how the Cult Mechanicus operates across the galaxy. A good way into the faction's flavour without committing to a single long narrative.

Guy Haley

A modern-era Mechanicus novel centered on Belisarius Cawl, useful for readers who want the technological and political edge of the post-Rift Imperium.

Gav Thorpe

A novel about the Titan Legions of the Collegia Titanica, focusing on the crew and god-machine of a colossal Imperator-class Titan as it is roused for war. It explores the rituals, hierarchy, and immense scale of Titan warfare alongside the Adeptus Mechanicus that maintains these war engines. A strong pick for readers drawn to towering war machines and Mechanicus lore.

Adrian Tchaikovsky

A sharp Genestealer Cults standalone that works well for new readers because it frames Imperial oppression, cult devotion, and alien contamination through one contained crisis.

David Annandale

A novel of the Collegia Titanica following a Warlord-class Titan and its crew as they are deployed into a desperate war zone. It dwells on the bond between Titan princeps and god-machine and the devastating power these engines unleash, set against the backdrop of the Adeptus Mechanicus at war. Suited to readers who enjoy large-scale Titan combat and Mechanicus themes.

Ben Counter

The Grey Knights lane continues with a stronger focus on corrupted technology, forbidden war zones, and the uneasy overlap between machine faith and daemon war.

Jonathan Green

Returning home from long campaigning, Marshal Brant of the Black Templars finds his Chapter world of Solemnus devastated by orks, his forces shattered and his honour stained. Sworn to vengeance, he carries his crusade to the war-torn hive world of Armageddon to fight the green tide at its height. Told through multiple viewpoints and building to a titanic factory assault, it is a classic early Black Templars-versus-orks war story.

Guy Haley

Archmagos Belisarius Cawl gathers powerful figures of the Imperium on an artificial world, hoping to win their backing for a grand scheme to counter the galaxy-splitting Great Rift by unlocking the secrets of an ancient pylon network. His plans are upended when the Chaos fleshcrafter Fabius Bile arrives uninvited, setting two brilliant, monstrous architects of humanity's future against one another. Guy Haley weaves Mechanicus intrigue with a philosophical duel over what it means to save mankind.

Rob Sanders

Set on Mars as the Heresy ignites, a wounded warrior retrained as a Techmarine fights alongside stranded legionaries against the rogue might of a turncoat Mechanicum. On Terra, Rogal Dorn and Malcador weigh a terrible final solution for the Red Planet, exposing how far the Imperium will go to purge the traitors.

Robbie MacNiven

When an isolated forge world is menaced by a Chaos-infested space hulk serving the Arkifane Vashtorr, the secretive Carcharodons make their stand alongside the Adeptus Mechanicus. The void-dwelling Space Marines must reckon with their uneasy place in a changed Imperium even as they fight to destroy the hulk before the world is lost. A grim, isolated tale of the Chapter from the edge of the galaxy.

George Mann

An Ordo Hereticus inquisitor who fell in battle nearly a century ago is dragged back to life by a mysterious magos and finds the warp-storm-ravaged Calaphrax Cluster utterly changed. Distrusted by her old conclave, she must take on a proving mission that uncovers a hidden agenda threatening the Imperium. A standalone inquisitorial thriller built around the character Astor Sabbathiel.

Jonathan Green

When a critical forge world falls under assault, the cold and unforgiving Iron Hands deploy to reclaim it, leaning on flesh-scorning logic and heavy armour. An early-era Space Marine action novel that leans into the Chapter's machine-obsessed, emotionless ethos. A self-contained read from Black Library's earlier line.

David Guymer

A young Iron Hands Scout chafes against his Chapter's rigid doctrine that the flesh is weak and the machine supreme, while an ancient relic and a brewing threat test his beliefs. The book digs into the brutal Iron Fathers, their cult of the machine, and what it costs to belong. First of a duology centred on the warrior Kardan Stronos.

David Guymer

The sequel follows the Iron Hands as a delegate from Mars arrives to scrutinize the Chapter, straining its fierce independence and its relationship with the Mechanicus. Kardan Stronos rises in stature amid escalating threats and internal conflict over the Chapter's soul. Concludes the duology that began with The Eye of Medusa.

David Annandale

As the Warmaster's rebellion grinds on, the High Lords of Terra are crippled by bureaucratic paralysis, and the Mechanicum faces a crisis of legitimacy with two adepts claiming the title of Fabricator General. Loyalist Zagreus Kane must navigate cold logic and council intrigue to secure Mars and Terra against the traitor Kelbor-Hal. A dialogue-driven study of politics and the priesthood of the Machine God.

Gav Thorpe

As the Word Bearers' treachery sets Calth ablaze, traitor god-engines of the Legio Fire Masters march to butcher the fleeing civilians of the city of Ithraca. Standing against them are the dwindling loyalist Titans of the Legio Praesagius, who choose to make a doomed stand even as the Ultramarines are scattered and lost. A story of towering war machines and sacrifice during the Battle of Calth.

Jonathan D. Beer

Magi of the Adeptus Mechanicus pursue a discovery that could reshape a forge world's destiny, weighing the cold logic of the Machine God against ambition and heresy. A tale of tech-priests, archeotech, and the price of knowledge.

Guy Haley

The Imperium's greatest living magos — architect of the Primaris Space Marines — confronts the limits and consequences of his own genius in the war-torn era after the Great Rift. A deep dive into the mind of Belisarius Cawl.