In this edition the principal works of K.E. Tsiolkovsky dealing with rocketry and the theory of interplanetary communications were published. These writings had brought him the priority as the founder of theoretical cosmonautics. The article by academician S.P. Korolyov "On the Practical Significance of the Scientific and Engineering Prepositions of Tsiolkovsky in Rocketry" had been premised to Tsiolkovskys works. The edition is devoted to 150-th anniversary of Tsiolkovskys birthday - 17-th of September 2007. For scientists and scientific community who are interested in the history of rocketry and cosmonautics. ...