The stories collected in this volume open the most ambitious cycle in world science fiction, covering five thousand years of future history - “Technical Civilization.” The worlds colonized by earthlings are united by the Trade and Technical League, the history of the rise and fall of which is traced by Paul Anderson. Contents:

From the publisher

Chronology of technical civilization

Wings of victory, translation from English by M. PchelintsevaThe problem of pain, translation from English by M. PchelintsevaProfit margin, translation from English by M. PchelintsevaA small lesson racial identity, translation from English by M. PchelintsevTriangular wheel, translation from English by A. AlexandrovaThe Invisible Sun, translation from English by A. AlexandrovaIsau, translation from English by M. PchelintsevWar of the Wings, novel, translation from English by M. Pchelintsev