John French
Ahriman: Exodus
Ahriman (series)
The tale of Ctesias, a servant of Ahriman who has performed terrible deeds in his master’s name. From daemon summoning to base betrayal, here is the chronicle of those deeds.
Warhammer 40k
anthology

It contains:
Hounds of Wrath
All Is Dust
The First Prince
King of Ashes
Gates of Ruin
Hand of Dust
The Dead Oracle
Fortune's Fool

Also in:
Eye of Terror
Ahriman Collection