POLITICS OF BLOOD is the eighth book in the Gray Spear Society series which began with APOCALYPSE CULT. The Democratic National Convention is coming to Chicago. President Roy Haley will attend to accept his nomination for a second term in office. Just before his arrival, the Gray Spear Society gets a tip that an unknown enemy intends to assassinate the president. Aaron and his team must discover and stop the assassin despite having no information about him. As the investigation proceeds, Aaron peels back layers of a conspiracy that grows darker and more dangerous at every turn. This enemy knows how to win in the political arena and on the battlefield.