various
Death And Defiance

Words alone can no longer convey the horrors of the war that now grips the Imperium. In what should have been an age of enlightenment and glorious triumph, instead warriors on both sides reel from the twin agonies of betrayal and bloodshed.
The Horus Heresy
anthology

It contains:
Gunsight
A Safe And Shadowed Place
Imperfect
Howl of the Hearthworld
Virtues of the Sons