The book "Walks Invisible" by the famous writer Arthur Conan Doyle is a fascinating confession of spiritual reflections and research. In this work, the author shares his path in search of the truth, telling about his impressions of meetings with various inhabitants of the mysterious world of spirits. With the help of his casual stories, Doyle guides the reader through his own experiences and reflections, encouraging him to think about what is really important in life. "Walks of the Invisible" is a frank and moving book that encourages you to think about what can be outside of ordinary reality.