Published in 1992, ‘Matemaattisia olioita tai jaettuja unia’ (Mathematical Beings or Shared Dreams) is an essays collection written by Finnish writer Leena Krohn that won the ‘Finlandia Prize‘ for literature in 1992. Born (1947) and currently living in Helsinki, Krohn produced a large and varied body of work that includes novels, short stories, children’s books, and essays. In her books she deals with topics that include man’s relationship with himself and the world, morality, borders between reality and illusion, and the problem of life, especially through observing different kinds of artificial intelligence. Beyond the ‘Finlandia Prize‘, Krohn has received several accolades and her books have been translated into English, German, Bulgarian, Estonian, French, Hungarian, Japanese, Korean, Latvian, Lithuanian, Polish, Russian, Norwegian, Danish, Swedish and Italian. Leena Krohn used the Internet in her literary work as early as mid-1990s. ‘Matemaattisia olioita tai jaettuja unia’ is a selection of 12 essays, in which the foundations of a person’s identity and choices, his knowledge and ignorance, mortality and immortality are studied in a concentrated manner. Existence is humanity’s common, shared dream, and no one knows what is really happening.