The book "Adaptation" by Mack Reynolds is a science fiction novel that tells about the adventures of a hero who finds himself in a world where humanity is gradually losing the ability to think independently and independently. The main theme of the work is helping people adapt to new conditions and solving problems arising in connection with this. The author skilfully combines scientific aspects and philosophical reflections, creating an interesting and dizzying story that makes the reader think about the future of humanity. "Adaptation" is a book that makes the reader stop and think about the price for our freedom of thought and choice.