D. A. Bilenkin (1933–1987) is one of the leading authors of Russian science fiction of the 1960–1980s, a master of science fiction. SCIENTIFIC in the classical sense of the word, a writer who had the gift of “embedding” original fantastic hypotheses into fascinating plots. Bilenkin has always been considered the author of predominantly “small forms” of fantastic prose - short stories, short stories and novellas. However, the titles of his collections make the hearts of all true fans of science fiction in our country beat faster. “Martian Surf.” “Night by Smuggling.” “Test of Sanity”...And also the stories “Landing on Mercury,” “Space God,” “The End.” Law”, “The Power of the Strong” - stories that make up a cycle about the adventures of the cosmic psychologist Polynov!