It is difficult to imagine that three quarters of the Siberian land lies on frozen litter, that even where bread grows, three to four meters from the surface, permafrost begins. She asks the man riddles, and he must solve them, otherwise he will not live here. About these riddles, as well as about the romance of a rare profession of permafrost, about the difficult life of a field researcher, about a journey in a distant land - the spurs of Dzhugjur, just south of the cold pole, this book.