About the book: 2020 / The novel "At the Heights of Knowledge", first published in 1909, tells the story of the fatal battle between the sage and magician Ibn Fadlan who arrived in St. Petersburg and Romanian princess Giordinesco, a vampire and a witch, on whose side are the dark forces of evil. But Fadlan himself is not without sin: proud of his occult knowledge, he begins crazy experiments, resurrecting the dead and materializing infernal larvae. The novel is published accompanied by original illustrations.