About the book: 1971 / "Celeste-7000" - a novel about a meeting with the Unknown. The novel takes place today on one of the islands of the Bermuda archipelago. The heroes - American Robert Smiley and two Soviet physicists - discover on the island a gigantic informarium, once sent to Earth by an alien civilization and storing in an immense memory bank centuries-old information about our planet. A meeting with the Unknown is always a mystery: who will undertake to predict the result of this meeting? And Celeste, the selector of stable information, is the Unknown, the “Black Box.” How will he behave with a person? Will he give up his secrets? Will he serve peace or war??