"Ghost in the Machine" is an exciting science fiction book written by the talented writer Carl Sagan. In this work, the author describes the future of humanity, where the development of technology reaches such heights that machines are endowed with intelligence and consciousness. The main character finds himself in a world where reality is intertwined with virtuality, and ordinary machines are able to think and feel. The book fascinates with its extraordinary idea, detailed plot and philosophical undertones. "Ghost from the Machine" is an exciting journey into the world of the future, where the line between man and technology is blurred, and existence is questioned.