"Doubles" is a mysterious and fascinating book written by the famous Ukrainian writer Oleksandr Kopyl. In this work, the author combines mysticism, detective work and philosophical reflections. The main character finds himself in a mysterious world where each character has a double. Together with him, the reader explores mysterious events, reveals the secrets of the past and overcomes the challenges of the present. "Doubles" is a book that leaves behind many questions and encourages one's own thoughts about the essence of human nature and the reality of the surrounding world.