Demons, Mysticism, and Darkness: Fall's Darkest Books In one novel, two friends fight demons; In another, they search abandoned villages for anything mystical. In the third book, a dog's funeral becomes a journey across the country filled with strange incidents, but in the fourth book, darkness threatens the Republic of Novgorod from an alternate reality. The book critic and editor-in-chief of Yandex Books Konstantin Milchin talks about dark, sinister and mystical innovations.