Eisenhorn

This omnibus collects the first three novels in the series—Xenos, Malleus, and Hereticus—alongside several bridging short stories that flesh out the timeline of Gregor Eisenhorn's career [1.1.4]. Depending on the specific edition, it may also include the follow-up novel The Magos.

This collection is widely considered one of the best entry points to the entire Warhammer 40,000 universe because it focuses on street-level detective work and human-scale espionage rather than overwhelming military jargon. It naturally introduces the setting's complex factions, history, and terminology through the eyes of the protagonist.

The narrative continues directly into the Ravenor trilogy, which follows Eisenhorn's former pupil Gideon Ravenor, and is followed by the Bequin trilogy. These series are deeply interconnected and form a larger, overarching narrative cycle often referred to as the Inquisitor cycle.