Ступени грядущего

This publicistic essay by the famous Soviet writer Alexander Kazantsev, the author of many fantastic works, shows the social and economic prerequisites that made it possible to take consistent steps towards the conquest of space, culminating in the flights of our cosmonaut heroes and reconnaissance assault on the planets.
The author sets with the aim of helping the reader to comprehend the great entry of mankind into the era of the discovery of the universe, which coincides with the period of the full-scale construction of communism in our country. The pages of the book are read with great interest, where modern hypotheses about the population of space are given, as well as some documents and facts that testify, according to the author (although it is disputed by many archaeologists and astronomers), about the likely contacts of earthly civilization with an alien one, tells about the tasks of the future the victorious march of the mind through the universe.