About the book: 2022 / Something strange is happening on Soviet radio air - signalmen and committee members are busy searching for the source of powerful interference. What does sixth-grader Denis have to do with what is happening? What secrets does the attic of house number eighteen hide? In the story, the author combines various ways and techniques of conveying a mysterious, sometimes even detective story. The reader finds pieces of the puzzle among the text and music written by the author as part of the work.