Day by day, people are increasingly attracted by those "exotic" phenomena and phenomena that cannot be explained within the framework of modern official science, but, despite this, still occur around us. Descriptions of encounters with ghosts and spirits; "magical" healings only by sight or word; cases of clairvoyance and telepathy, although they continue to excite the imagination, cause less superstitious fear than before. The desire to understand this mysticism begins to prevail. On the pages offered to the reader, this task is solved by searching for a purely natural explanation of everything that we meet in the world of the spirit.