"Fighting on the air", or "Radiopolis", - a work first published 90 years ago - in the journal "Life and Communication Techniques" in 1927 This book is not just a great book-fiction rarity. During the Cold War, it was of particular interest to the CIA - in fact, it was the only work of Soviet fiction that described a possible U.S.-Soviet war. The main character, due to the coincidences of a number of circumstances, gets into the future, not very precisely defined chronologically. Communism has triumphed over much of the globe as the red flag flies over Europe, Asia and Africa. In fact, the only outpost of capitalism was America. While it is still somehow protected with the help of some mysterious "universal weapon". But the end of it is already predetermined and our hitch from the past managed just in time - the war of systems comes to the finish line...