The book "Periphery" is a science fiction novel by the American writer William Gibson, which combines elements of cyberpunk and a detective thriller. The action unfolds in two parallel worlds - in the near future and a distant post-apocalyptic reality. The main character, Flinders Malory, in search of entertainment, connects to virtual reality, where a hopeless situation and a mysterious murder are revealed. Her research is intertwined with the discovery of secrets and enemy intrigues. "Periphery" is an exciting journey into the world of the future, where technology and human motives are intertwined in an unpredictable tangle of events.