Handbook of the NS propagandist
Unknown
In the Know: Debunking 35 Myths about Human Intelligence
Russell T. Warne
88 Precepts
David Lane
Numinous Machines
Christopher Pankhurst
Horus Rising: The seeds of heresy are sown
Dan Abnett
The Horus Heresy (1)
Galaxy in Flames: The heresy revealed
Ben Counter
The Horus Heresy (3)
False Gods: The heresy takes root
Graham McNeill
The Horus Heresy (2)