After Istvaan V, Horus declares outright war against the Imperium. In the shadows of the Emperor's Palace, powerful figures convene. Their plan - to send a team of assassins to execute the arch-traitor Horus and end the war for the galaxy of mankind before it's even begun. But what they cannot know is that another assassin is abroad already, with his sights firmly set on killing the Emperor.
James Swallow is a New York Times, Sunday Times and Amazon bestselling author, a British Academy of Film and Television Arts (BAFTA) nominee, a former journalist and the award-winning writer of over sixty books, along with numerous scripts for video games, radio and television.
