The two-volume collection includes all the science fiction works of the Russian Soviet writer, journalist, and famous science fiction writer Yu. A. Dolgushin. All works are published based on the first publications. Original illustrations by K. Artseulov and other artists were used. The first volume includes science fiction essays “In 1942” (1936) and “Approaching” (1955), as well as two works that make up the cycle about the Maestro - the story “Visiting the Maestro” (1936) and the story “The Secret of the Invisible Man” (1946).