The Horus Heresy: Primarchs
Book Series
by Mike Brooks
Latest:
2022
Book 15
Mortarion: The Pale King
by David Annandale
Book 16
Rogal Dorn: The Emperor's Crusader
by Gav Thorpe
Book 17
Sanguinius: The Great Angel
by Chris Wraight
Vorax
by Matthew Farrer