But according to the readers of the book plot – not the most important. The novel is interesting because of two features. First – it is absolutely not perceived as fantastic. This is pure adventure, travel and survival, and there are no inventions and experiments. Glimpses unidentified life forms can not be considered for fiction – is unclear to begin with, not whether it primereschilos heroes, and still have all of these caves have not been studied, there is no can live. Second – this is one of the few novels of Jules Verne with a completely erroneous scientific theory. Usually anything but worked, and here worked out the idea that the Earth is hollow in the center there is something interesting, and the tunnels can get there. Although, if you look, the characters are not even close to the center approached, straying somewhere in the cortex, or descent they probably would have taken six months.
However, despite the fact that the representation of the Earth Verne cavity is not true, it surprisingly well able to describe the dungeon.