There is no more dangerous profession than time travel—an unwelcome guest from the future risks not only his own head, but the fate of all humanity. Especially if the “time traveler” is dropped into the legendary Atlantis, and after its destruction—into the mysterious Hyperborea. Can our contemporary survive in the lost hostile world where dragons and dinosaurs haven’t gone extinct yet? What’s it like to swim against the current of time? And is there any chance to bring the light of civilization to wild Europe?