"The Eternal Wall" is a science fiction book by the famous author Raymond Z. Galloon. In this exciting work, the story of war and peace, about future technologies and interplanetary discoveries is masterfully developed. The heroes of the book, setting themselves the task of building an eternal wall - a barrier that will separate their planet from the outside world, try to find a solution to preserve their civilization. "The Eternal Wall" is a fascinating book that will make the reader think about his own nature and the mission of mankind in space.