Adeptus Mechanicus Timeline

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.

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.

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.

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.

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.

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.

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.

Graham McNeill

On a feudal world bound by ancient codes of honour, the noble pilots of towering Imperial Knight war-engines stand as the last defence against an alien onslaught. As the foe presses in, a young heir must prove himself worthy of his House and its mighty walking war machines. A tale of chivalry and duty fought from the cockpits of god-machines.

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

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

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.

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.