In this book, a novel in which it did not attempt to relate the historical, economic reasons or even the interrelationships between expansion, or expansions or even population growth in this region of the continent. background to the travel novel, in the brief arrivals and departures of the characters, which at times highlighted the real, the imaginary and the legendary, parallel to the role played by the Northwest of Brazil railway, especially in the acute periods of dictatorial repression processes , those always with the intention of keeping South America, as a whole, the colonial ground of the Western capitalist empires.