"The Mysterious World of Outer Silence" is a book that captivates the reader and takes him into a space of uncertainty and mystery. The authors Kastle and Herbert D. successfully combine a science fiction plot with philosophical thoughts about the place of man in the great cosmos. Adventures await you in this book, which will remain in your memory long after the last page. "External silence" is a book that crosses the boundaries of time and space, inviting you to open new horizons and unravel the mysteries of the universe.