"Superman" is a philosophical novel by the American writer Upton Sinclair, which examines the problem of finding inner strength and power in society. The main character decides to go beyond normal moral standards and become a real "superman", which exceeds the normal human level. This book not only captivates the reader with its unusual storyline, but also makes you think about the essence of human existence and the search for inner essence. "Superman" is a story about feeling one's own strength and self-improvement, which will make every reader think about their own life and goals.