"Potential Enemy" is an exciting science fiction novel from the famous writer Mac Reynolds. The book tells about the mysterious appearance of aliens on Earth and about the complex intergalactic relations between people and these new neighbors. The author successfully combined the elements of science, adventure and political intrigue, creating an exciting science fiction canvas that leaves the reader in suspense until the last page. "Potential Enemy" is a book that will make you think about humanity's place in the infinite cosmos and about the possible consequences of meeting with other civilizations.