Jaghatai Khan: Warhawk of Chogoris - Chris Wraight

Primarchs Book 8.
For long years, the White Scars have fought for the Imperium, bringing worlds to compliance. But when a new project, to embed psykers in the Space Marine Legions, seems likely to come to fruition, Jaghatai Khan must decide if he will comply....
Listen to it because Chris Wraight returns to the Khan of Khans with a tale set at the height of the Great Crusade and showing the momentous decisions that, in some ways, led to the darkest events of the Horus Heresy.