Eli paused, his attention caught by the book about the sinner system. Unfortunately, although the title interested him, he didn't have permission to access materials that explored the social hierarchy in any depth. He had come to the library hoping to find information about the Vatican and, more importantly, whether there was anything that could explain the process of purification.
He adjusted the filters on the screen, narrowing the available resources to books classified under history and humanities. After the system excluded everything beyond his access privileges, only one title remained: A Brief History of the World Tree and the Seven Towers.
