"D-99: a science fiction novel" is an exciting book written by the author Horace Bowne Fyfe. The novel takes place in the distant future, where humanity has already conquered space and interacts with other civilizations. The main character finds himself on the planet D-99, which hides many dangers and mysteries. Exciting adventures, unexpected turns and mysterious discoveries await the reader on every page. "D-99" is not only a cosmic novel, but also an important reflection on the place of man in the infinity of the Universe and his relationship with the world around him.