Search for Designation or Twenty Seventh Theorem of Ethics

"Search for Designation, or Twenty Seventh Theorem of Ethics" ( _ru. Поиск предназначения, или Двадцать седьмая теорема этики) — is a 1994 science fiction novel by Boris Strugatsky (under the pseudonym S. Vititsky), covering the life of a fictional Soviet citizen Krasnogorov with light and bitter truth about that time and including the long story "A happy boy" about his childhood in sieged Leningrad. The last part depicts his as a ruler in future Russia.

In one moment Krasnogorov realizes that he survived a plenty of such situations, which inevitably had to result in his death. This causes him to think he has a special Designation, which doesn't allow him to die...