various
Scions of the Emperor: An Anthology
Primarchs (series)
The primarchs, demigod scions of the Emperor, wage war and explore their destinies in eight tales from the universe of the bestselling Horus Heresy series.
The Horus Heresy
anthology

It contains:
The Verdict of the Scythe
The Sinew of War
Canticle
The Conqueror’S Truth
A Game of Opposites
The Chamber At the End of Memory
Better Angels
First Legion