Inquisition Timeline

Ben Counter

The opening Grey Knights novel gives readers the daemon-hunting side of the Imperium: secretive Space Marines, Inquisitorial pressure, and occult war.

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.

Ben Counter

A Grey Knights continuation that pushes further into daemon-world territory, best read after the earlier books in the same lane.

Aaron Dembski-Bowden

A Grey Knights and Inquisition-focused standalone that is useful for readers interested in the secrecy, politics, and aftermath of daemon-hunting wars.

David Annandale

The first book of a Grey Knights duology following the daemon-hunter Castellan Crowe and his terrible burden, the cursed Blade of Antwyr, which constantly whispers to corrupt its bearer. It is a focused character study of one warrior's struggle against a relentless source of temptation while pursuing the enemies of the Imperium.

David Annandale

The conclusion to the Grey Knights duology begun in Warden of the Blade, continuing Castellan Crowe's battle to contain the malevolent Blade of Antwyr while leading his brothers against a major Chaos threat. The pressure of carrying the cursed weapon escalates as the campaign reaches its climax.

Robert Rath

A strong standalone about Imperial assassins operating inside an Imperial Knights power structure, useful for readers who want intrigue instead of front-line war.

Sandy Mitchell

A Dark Heresy tie-in focused on Inquisitorial investigation and small-cell danger, best for readers interested in roleplaying-game-era Imperial paranoia.

Dan Abnett

A short Eisenhorn story collected in The Magos, featuring the Inquisitor in an early-career investigation in the grimdark Imperium. Like the rest of the collection, it expands the casebook of Gregor Eisenhorn with a self-contained mystery rather than a major arc. Best enjoyed alongside or after the Eisenhorn trilogy.

Sandy Mitchell

The Dark Heresy novel lane continues with more Inquisitorial suspicion and investigation, better read after Scourge the Heretic.

Dan Abnett

A short Eisenhorn story collected in The Magos, set early in the Inquisitor's career as he investigates a low-key mystery on a dreary, storm-bound world. It is a quieter, atmospheric piece that fleshes out Eisenhorn's earlier years before the main trilogy. A companion read for fans of Abnett's Inquisition fiction.

Dan Abnett

A strong new-reader investigation story that introduces the Imperium through an Inquisitor's work.

Dan Abnett

A short Eisenhorn story gathered into The Magos collection, following the Inquisitor through another contained case in Abnett's long-running Inquisition saga. It deepens the supporting cast and tone of the Eisenhorn novels without forming part of the core plot. Recommended for readers already invested in the series.

Dan Abnett

A darker continuation that tests Eisenhorn's methods, alliances, and willingness to compromise.

Dan Abnett

A quieter, personal Eisenhorn short story in The Magos collection, in which the Inquisitor and an ally look into the suspicious death of an old friend. Its intimate, almost paranormal-investigation tone sets it apart from the larger conflicts of the trilogy. A supplementary read that enriches Eisenhorn's world.

Dan Abnett

A short story in The Magos collection following the fortunes of Eisenhorn's former colleague Titus Endor, offering a melancholy look at the cost of an Inquisitor's life. It connects to the broader Eisenhorn and Ravenor continuity and rewards readers familiar with those novels. A self-contained but lore-rich companion piece.

Dan Abnett

The final Eisenhorn novel in the core trilogy, following the consequences of earlier compromises into a more hunted phase.

Dan Abnett

A short Inquisition tale by Dan Abnett set in his Eisenhorn and Ravenor universe, originally released as a short story and later as an audio drama before being collected in The Magos omnibus. It bridges events around Gideon Ravenor's investigations, weaving in a thread that connects the older Inquisitor Eisenhorn to his former pupil. A companion piece best appreciated by readers already familiar with these characters.

Dan Abnett

A new Inquisition entry point following Gideon Ravenor's team as the investigative lens broadens beyond Eisenhorn.

Dan Abnett

The Ravenor investigation continues into a more compromised and mobile phase, tightening the arc around hidden enemies.

Dan Abnett

The Ravenor trilogy closes with the team operating under heavier pressure and less institutional safety.

Dan Abnett

A short story by Dan Abnett collected in The Magos, set within the wider Eisenhorn and Ravenor casebook. It is a brief, atmospheric Inquisition-era vignette that adds texture to Abnett's xenos-hunting, heresy-rooting corner of the Imperium. A minor companion piece rather than a standalone starting point.

Dan Abnett

A short story by Dan Abnett gathered into The Magos collection, sitting alongside his Eisenhorn and Ravenor narratives. It is a concise Inquisition-flavoured piece that enriches the supporting lore of Abnett's Imperial investigators. Aimed at established readers of the saga rather than newcomers.

Dan Abnett

A short story by Dan Abnett included in The Magos omnibus, tied to the long-running Eisenhorn saga. It revisits a thread of intrigue connected to figures from Eisenhorn's past, deepening the mystery that the surrounding collection builds toward. A supplementary piece for readers following the Inquisitor's full story.

Dan Abnett

A short story by Dan Abnett collected in The Magos, set in the Eisenhorn corner of the Inquisition saga. It serves as a lead-in to the collection's title novella, tightening threads ahead of Gregor Eisenhorn's return to centre stage. Best read as part of the larger volume rather than alone.

Dan Abnett

A later Eisenhorn-focused anchor that connects older Inquisition material to a broader set of short investigations and character consequences.

Dan Abnett

The Bequin arc begins with a later Inquisition mystery that draws together consequences from Eisenhorn and Ravenor.

Ian Watson

Inquisitor Jaq Draco of the Ordo Malleus uncovers hints of a vast conspiracy reaching into the highest echelons of the Imperium, and assembles a strange retinue including a deadly Callidus Assassin and an irreverent squat to pursue the truth. His investigation drags him into heresy, daemonic peril, and secrets that could shatter his faith. As the earliest 40k novel ever published, it is gloriously weird and very much of its era.

Ian Watson

Pursued as a renegade and haunted by loss, Jaq Draco delves further into the conspiracy he uncovered, his quest entangling him with the enigmatic Harlequins of the Aeldari and their hidden knowledge. Driven toward forbidden lore and the Black Library itself, Draco wrestles with whether his ends can justify increasingly heretical means. The middle volume escalates the trilogy's surreal, cosmic stakes.

Ian Watson

In the trilogy's finale, Jaq Draco's long descent reaches its climax as the full shape of the conspiracy and the terrible choices it demands are laid bare. Now branded a renegade and meddling with powers no sane Inquisitor should touch, Draco confronts the cost of his crusade against the dark gods. The conclusion pushes its hero to the brink of damnation in classically baroque fashion.

Matthew Farrer

Newly arrived in the cathedral-fortress system of Hydraphur, Adeptus Arbites officer Shira Calpurnia survives an assassination attempt that drags her into a web of conspiracy among the system's rival power blocs. As she investigates, she learns how tangled justice becomes when faith, trade, and ancient privilege collide. A grounded procedural that opens the Shira Calpurnia trilogy.

Matthew Farrer

Calpurnia is tasked with overseeing a fraught inheritance dispute among a powerful Hydraphur dynasty whose contested will threatens to spill into open bloodshed. What should be a matter of procedure becomes a deadly game of competing claims, hidden agendas, and Imperial bureaucracy weaponized. The second Shira Calpurnia novel leans further into intrigue and courtly menace.

Matthew Farrer

Wracked by self-doubt and out of favour, Shira Calpurnia is sent to a remote void fortress crowded with telepaths to solve the murder of its master astropath. Far from any help and surrounded by minds that distort the truth, she must navigate a claustrophobic warren of secrets to find the killer. The final Shira Calpurnia novel is its tensest and most isolated mystery.

Andy Hoare

The opening novel of a Rogue Trader trilogy following the Gerrit dynasty, starship captains granted ancient charters to trade and conquer along the Imperium's Eastern Fringe. With their fortunes failing, the patriarch gambles everything on a deal to aid a frontier commander's war, plunging his family into an escalating conflict that could cost them far more than coin.

Andy Hoare

The second Rogue Trader novel continues the saga of the Gerrit family as their frontier war spirals into a far larger crusade. Bound to an Imperial fleet pushing into contested space, Lucian Gerrit must navigate shifting alliances, military politics and alien threats while keeping his fractious dynasty intact. The stakes for the family's survival climb ever higher.

Henry Zou

When daemon-worshipping renegades invade the Medina sub-sector, Inquisitor Obodiah Roth races to find and secure a cache of ancient artefacts before the enemy can unleash their power. Backed by the Imperial Guard, he must move faster than the tide of war engulfing the region. The first Bastion Wars novel blends Inquisitorial intrigue with sweeping military campaign.

Rob Sanders

Hunted relentlessly since fleeing the eldar Black Library with the daemon-warding Atlas Infernal, Inquisitor Bronislaw Czevak journeys to a corrupted world in search of a powerful Chaos artefact. With the sorcerer Ahriman and the Thousand Sons racing to claim the same prize, Czevak must outwit his oldest enemy while the colony hides a darker secret of its own.

Rob Sanders

Having become the only human ever invited to study within the eldar's Black Library, Inquisitor Bronislaw Czevak escapes clutching the Atlas Infernal, a living map of the webway. Now a fugitive across four perilous decades, he is hunted by the arch-sorcerer Ahriman of the Thousand Sons, who will destroy anything to seize the forbidden knowledge the tome contains.

John French

Inquisitor Covenant hunts a hidden conspiracy through the underbelly of the Imperium, drawing together a band of agents bound by suspicion and necessity. As a radical scheme involving forbidden artefacts comes to light, the line between heresy and salvation grows perilously thin in this opening to the Horusian Wars.

John French

The opening chapter of the Agent of the Throne audio series introduces Ianthe, a former Guard soldier now serving Inquisitor Covenant as a covert operative. Tracking a spreading cult, she navigates deception and danger across the underbelly of the Imperium. Part of the wider Horusian Wars storyline.

John French

Inquisitor Covenant and his retinue press their dangerous investigation as a Horusian plot to forge a vessel for a fragment of divine power gathers momentum. Rival inquisitors, assassins, and the lure of forbidden knowledge converge, deepening the moral murk of the secret war within the Imperium.

John French

In this award-winning second Agent of the Throne installment, Ianthe and her fellow agents are confined alongside a rogue psyker they have been hunting. To stop him she must confront buried memories from her own past. Continues the inquisitorial operative's arc within the Horusian Wars setting.

James Swallow

A rogue trader captain and her ragtag crew pursue pirates to the fringes of the Imperium, only to board a derelict vessel hiding something far older and more dangerous than a simple bounty. What begins as a hunt for plunder spirals into a confrontation with an ancient terror that imperils the whole sector. Originally released as a full-cast audio drama in the spirit of gritty space-opera adventure.

John French

This collection gathers shorter tales from the Horusian Wars, following Inquisitor Covenant and his agents through schemes, betrayals, and confrontations across the shadowed corners of the Imperium. The stories expand the wider conflict between radical and puritan factions of the Inquisition surrounding Covenant's hunt.

John French

The third Agent of the Throne entry sends Ianthe and Covenant's retinue on a mission that goes badly wrong on a desolate world. Cornered, she is forced into an uneasy bargain with a mysterious figure and tasked with eliminating a traitor. The story deepens the cost of serving as a secret agent of the Inquisition.

Mike Brooks

Following the death of her Navigator husband, the matriarch of an ancient Navis Nobilite house must steer her family through poisonous court intrigue, a scheming rogue trader, and a creeping Chaos threat. A tale of Imperial high society and the mutant aristocracy who guide ships through the warp, rather than a conventional battle novel.

Chris Dows

Rogue Trader Neyam Shai Murad and the crusader Gotfret de Montbard claw their way back toward Precipice carrying an artefact that could tip the balance of power within the Blackstone Fortress. To survive, the mismatched pair must evade a rampaging Ambull, bargain with a treacherous genetor, and fight off mutants and cultists in the station's deadly depths. A self-contained adventure set in the Blackstone Fortress.

Dan Abnett

Alizebeth Bequin, now drawn deep into the shadow-war over the secret of Sancour, navigates a web of rival Inquisitors, hidden powers, and her own dangerous nature. As factions converge on the planet's deadly mysteries, old allegiances fracture and the true scale of the conspiracy begins to surface. This continues Abnett's labyrinthine successor saga to the Eisenhorn and Ravenor novels.

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.

Darius Hinks

Agents of the Imperium's most secret war confront a daemonic threat that must be unmade before it can be named. A tale of the Ordo Malleus and the unseen battle against the warp.

Dan Abnett

On the troubled Imperial hive world of Sacramentus, the planetary governor has fallen to scandal and an outsider is raised to replace them, even as the Adeptus Arbites grind the populace beneath the merciless Lex Imperialis. As whispers of rebellion climb toward the upper spires, the new regime must root out the agitators seeding anarchy below before something far worse surfaces from the depths.

Chris Wraight

The opening novel of the Vaults of Terra series, following an Inquisitor and his agents as they uncover a deadly conspiracy at the heart of the Imperium on Holy Terra itself, in the shadow of the Emperor's Palace. It offers a rare, atmospheric look at the corruption, politics, and decay of mankind's most sacred world through a tense investigative thriller.

Chris Wraight

The opening novel of Chris Wraight's Watchers of the Throne series gives a rare close look at the Adeptus Custodes, the golden guardians of the Emperor, alongside the Sisters of Silence and the institutions of Terra. It dramatizes a moment of crisis for the Imperial capital during the upheavals at the end of the 41st Millennium. A strong entry point for readers curious about the defenders of the Golden Throne.

Chris Wraight

The second Vaults of Terra novel, continuing the Inquisitor's investigation into the rot threatening Holy Terra as the conspiracy deepens and the stakes for the seat of the Imperium grow more dire. It expands on the dark machinery of power beneath the Throneworld, blending political intrigue with the ever-present threat of heresy and hidden enemies.

Chris Wraight

The second Watchers of the Throne novel returns to the Adeptus Custodes and the politics of a Terra reshaped by the events of the Indomitus Crusade, as a new Regent rules in the Emperor's name. It weaves together palace intrigue, factional tension, and the duty of the Emperor's bodyguards in the early 42nd Millennium. Follows on directly from The Emperor's Legion.

Chris Wraight

The third book in Chris Wraight's Vaults of Terra series follows the Inquisitorial agents of Crowl's retinue as the threat closing on the Throneworld deepens. It continues the secretive, conspiracy-laden investigation begun in the earlier volumes, set in the rotting bureaucratic depths of Holy Terra in the early days of the Indomitus era. Best read after the first two books, as it builds directly on their unresolved threads.