The Divine Word: The Horus Heresy Series (Unabridged‪)‬

Fighting alongside the Raven Guard Legion, Marcus Valerius of the Therion Cohort has long scorned those who seek to deify the Emperor. But recent events have made him doubt his cast-iron convictions, and as his forces lines up against an overwhelming enemy force, a flash of inspiration leads him to question whether or not there are greater forces at work in the universe....