"The Unknown Man" is a philosophical parable in the form of a science fiction novel, written by Leonid Kaganov. This book takes us to a world where there are beings who may be invisible to many, but at the same time they themselves can see everyone. The main character, Inhuman, travels the world, trying to understand the meaning of his existence and discover new facets of consciousness. The author successfully combines philosophy, science and poetics in the work, creating a unique world that leaves the reader alienated, but at the same time forces one to think about deep questions of life and existence. "The Unknown Non-Man" is a book that will leave you with an unforgettable impression and force you to change your point of view on many things in the world around you.