Horus Rising:The Horus Heresy,Book 1-Part 44br This book consists of 4 parts. This is the fourth part.br br It is the 31st millennium. Under the benevolent leadership of the Immortal Emperor, the Imperium of Man hasstretched out across the galaxy.br br It is a golden age of discovery and conquest. But now, on the eve of victory, the Emperor leaves the front lines, entrusting the great crusade to his favourite son, Horus.