What would happen if Jesus brought people not invitation cards to the Kingdom of God, but magical knowledge? What can science and magic combined together give people? And what then will be the role of the gods in such a world? You will learn about all this in the novel “Flying on Strings - Sliding on Edges.” The protagonist of this novel, an experienced gravitational pilot, commander of the finishing shift of a gravitational spaceship, after quite tough tests, is sent along with his entire Blue Bird team from the Earth of the 24th century to its reflection, the Land of Magic, where the 17th century began, but on this On the planet, although there is a country called Bright Rus', history still developed somewhat differently, but the most important thing is that in this world, next to science, witchcraft and magic stand and they dominate. The task of the Blue Bird team is simple, to study magic and bring it to Earth, but it’s not so easy to complete. They arrived on the Land of Magic in astral bodies, inhabited the bodies of boys and girls, and it soon became clear that they would now have to win the war with the black sorcerer Genghis Khan, who 400 years ago conquered most of Asia and went on a campaign of conquest against Bright Rus'.